CH535518A - Fernsprech-Handapparat - Google Patents

Fernsprech-Handapparat

Info

Publication number: CH535518A
Authority: CH; Switzerland
Prior art keywords: telephone handset; handset; telephone
Prior art date: 1971-01-26

Application number

CH4372A

Other languages

English (en)

Inventor

Mueller Erich

Luger Johann

Original Assignee

Siemens Ag

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.)

1971-01-26

Filing date

1972-01-03

Publication date

1973-03-31

1972-01-03 Application filed by Siemens Ag filed Critical Siemens Ag

1973-03-31 Publication of CH535518A publication Critical patent/CH535518A/de

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Telephone Set Structure (AREA)

CH4372A 1971-01-26 1972-01-03 Fernsprech-Handapparat CH535518A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712103623 DE2103623A1 (de)	1971-01-26	1971-01-26	Fernsprech-Handapparat

Publications (1)

Publication Number	Publication Date
CH535518A true CH535518A (de)	1973-03-31

Family

ID=5796954

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH4372A CH535518A (de)	1971-01-26	1972-01-03	Fernsprech-Handapparat

Country Status (5)

Country	Link
BR (1)	BR7200398D0 (de)
CH (1)	CH535518A (de)
DE (1)	DE2103623A1 (de)
IT (1)	IT946800B (de)
ZA (1)	ZA72224B (de)

1971
- 1971-01-26 DE DE19712103623 patent/DE2103623A1/de active Pending
1972
- 1972-01-03 CH CH4372A patent/CH535518A/de not_active IP Right Cessation
- 1972-01-13 ZA ZA720224A patent/ZA72224B/xx unknown
- 1972-01-21 IT IT19659/72A patent/IT946800B/it active
- 1972-01-25 BR BR000398/72A patent/BR7200398D0/pt unknown

Also Published As

Publication number	Publication date
DE2103623A1 (de)	1972-08-10
BR7200398D0 (pt)	1973-05-10
IT946800B (it)	1973-05-21
ZA72224B (en)	1972-09-27

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Legal Events

Date	Code	Title	Description
1977-08-15	PL	Patent ceased