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USD279872S - Photoelectric smoke detector - Google Patents

Photoelectric smoke detector Download PDF

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Publication number
USD279872S
USD279872S US06/524,874 US52487483F USD279872S US D279872 S USD279872 S US D279872S US 52487483 F US52487483 F US 52487483F US D279872 S USD279872 S US D279872S
Authority
US
United States
Prior art keywords
smoke detector
photoelectric smoke
photoelectric
detector
ornamental design
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US06/524,874
Inventor
Hugh P. Thornton, Jr.
Robert B. Powers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sentrol Inc
ADT Diversified Services Inc
Original Assignee
American District Telegraph Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American District Telegraph Co filed Critical American District Telegraph Co
Priority to US06/524,874 priority Critical patent/USD279872S/en
Assigned to AMERICAN DISTRICT TELEGRAPH COMPANY, A DE CORP. reassignment AMERICAN DISTRICT TELEGRAPH COMPANY, A DE CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: THORNTON, HUGH P. JR., POWERS, ROBERT B.
Application granted granted Critical
Publication of USD279872S publication Critical patent/USD279872S/en
Assigned to ADT, INC. reassignment ADT, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: AMERICAN DISTRICT TELEGRAPH COMPANY
Assigned to ADT SECURITY SYSTEMS, INC. reassignment ADT SECURITY SYSTEMS, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ADT DIVERSIFIED SERVICES, INC.
Assigned to ADT DIVERSIFIED SERVICES, INC., reassignment ADT DIVERSIFIED SERVICES, INC., CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). JANUARY 6, 1989. NEW JERSEY Assignors: ADT SECURITY SYSTEMS, INC.
Assigned to ADT SECURITY SYSTEMS, INC. reassignment ADT SECURITY SYSTEMS, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: ADT, INC.
Assigned to SENTROL ACQUISITION CORPORATION A DELAWARE CORPORATION reassignment SENTROL ACQUISITION CORPORATION A DELAWARE CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ADT SECURITY SYSTEMS, INC.
Assigned to SENTROL, INC. A CORP. OF OREGON reassignment SENTROL, INC. A CORP. OF OREGON MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 12/31/1991 OREGON Assignors: SENTROL ACQUISITION CORP. A CORP. OF DELAWARE (MERGED INTO)
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a left side elevational view of a photoelectric smoke detector showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a side elevational view taken 90 degrees from FIG. 1;
FIG. 5 is a reduced bottom plan view thereof.

Claims (1)

  1. The ornamental design for a photoelectric smoke detector, as shown and described.
US06/524,874 1983-08-22 1983-08-22 Photoelectric smoke detector Expired - Lifetime USD279872S (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US06/524,874 USD279872S (en) 1983-08-22 1983-08-22 Photoelectric smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/524,874 USD279872S (en) 1983-08-22 1983-08-22 Photoelectric smoke detector

Publications (1)

Publication Number Publication Date
USD279872S true USD279872S (en) 1985-07-30

Family

ID=69999768

Family Applications (1)

Application Number Title Priority Date Filing Date
US06/524,874 Expired - Lifetime USD279872S (en) 1983-08-22 1983-08-22 Photoelectric smoke detector

Country Status (1)

Country Link
US (1) USD279872S (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD377460S (en) * 1995-12-22 1997-01-21 Simplex Time Recorder Company Heat detector
USD383407S (en) * 1995-12-22 1997-09-09 Simplex Time Recorder Company Grille for a smoke detector
USD388352S (en) * 1997-01-30 1997-12-30 Simplex Time Recorder Company Smoke detector
USD388351S (en) * 1997-01-30 1997-12-30 Simplex Time Recorder Company Smoke detector
USD757585S1 (en) 2013-09-05 2016-05-31 Cavius Aps Smoke alarm
USD769756S1 (en) 2014-01-30 2016-10-25 Cavius Aps Heat detector
US9647431B1 (en) 2011-05-17 2017-05-09 Pamela K. Collum Wall mounted personal cabinet for jewelry and other items
USD879635S1 (en) * 2017-09-18 2020-03-31 Cavius Aps Alarm
USD899285S1 (en) 2019-10-18 2020-10-20 Soter Technologies, Llc Vape detector housing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Pyrotronics, 7/1975, front page, Fire Detector, upper top of page.

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD377460S (en) * 1995-12-22 1997-01-21 Simplex Time Recorder Company Heat detector
USD383407S (en) * 1995-12-22 1997-09-09 Simplex Time Recorder Company Grille for a smoke detector
USD388352S (en) * 1997-01-30 1997-12-30 Simplex Time Recorder Company Smoke detector
USD388351S (en) * 1997-01-30 1997-12-30 Simplex Time Recorder Company Smoke detector
US9647431B1 (en) 2011-05-17 2017-05-09 Pamela K. Collum Wall mounted personal cabinet for jewelry and other items
USD757585S1 (en) 2013-09-05 2016-05-31 Cavius Aps Smoke alarm
USD758230S1 (en) 2013-09-05 2016-06-07 Cavius Aps Smoke alarm
USD769756S1 (en) 2014-01-30 2016-10-25 Cavius Aps Heat detector
USD879635S1 (en) * 2017-09-18 2020-03-31 Cavius Aps Alarm
USD899285S1 (en) 2019-10-18 2020-10-20 Soter Technologies, Llc Vape detector housing

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