NL166750B - Apparatus provided with a frame for a hatch covering a ceiling opening for a folding staircase. - Google Patents

Apparatus provided with a frame for a hatch covering a ceiling opening for a folding staircase.

Info

Publication number: NL166750B
Authority: NL; Netherlands
Prior art keywords: frame; apparatus provided; ceiling opening; folding staircase; hatch covering
Prior art date: 1971-02-10

Application number

NL7201141A

Other languages

Dutch (nl)

Other versions

NL7201141A (en

NL166750C (en

Original Assignee

Frank Gmbh Wilh

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.)

1971-02-10

Filing date

1972-01-27

Publication date

1981-04-15

1972-01-27 Application filed by Frank Gmbh Wilh filed Critical Frank Gmbh Wilh

1972-08-14 Publication of NL7201141A publication Critical patent/NL7201141A/xx

1981-04-15 Publication of NL166750B publication Critical patent/NL166750B/en

1981-09-15 Application granted granted Critical

1981-09-15 Publication of NL166750C publication Critical patent/NL166750C/en

Classifications

- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
- E04F11/06—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
- E04F11/062—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding
- E04F11/064—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding with stringers overlapping when folded

Landscapes

Engineering & Computer Science (AREA)
Architecture (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Ladders (AREA)
Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Chairs For Special Purposes, Such As Reclining Chairs (AREA)

NL7201141A 1971-02-10 1972-01-27 Apparatus provided with a frame for a hatch covering a ceiling opening for a folding staircase. NL166750C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712106358 DE2106358C3 (en)	1971-02-10	1971-02-10	Closure for a ceiling opening lined with a feed box

Publications (3)

Publication Number	Publication Date
NL7201141A NL7201141A (en)	1972-08-14
NL166750B true NL166750B (en)	1981-04-15
NL166750C NL166750C (en)	1981-09-15

Family

ID=5798395

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7201141A NL166750C (en)	1971-02-10	1972-01-27	Apparatus provided with a frame for a hatch covering a ceiling opening for a folding staircase.

Country Status (11)

Country	Link
AT (1)	AT318217B (en)
BE (1)	BE779219A (en)
CH (1)	CH539771A (en)
DE (1)	DE2106358C3 (en)
DK (1)	DK125930B (en)
FR (1)	FR2126843A5 (en)
GB (1)	GB1342226A (en)
IT (1)	IT947382B (en)
NL (1)	NL166750C (en)
SE (1)	SE371248B (en)
YU (1)	YU35906B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2209180B (en) *	1987-08-28	1991-06-26	Anthony Robert Perry	Expandable house
FR2660002B1 (en) *	1990-03-26	1992-06-12	Lavrard Michel	HOPPER EQUIPMENT FOR RETRACTABLE ATTIC STAIRS WITH SIDE ARMS.
US5220757A (en) *	1991-10-15	1993-06-22	Colorcraft, Inc.	Thermal stairway cover
CN106894750B (en) *	2017-03-16	2019-01-15	武汉轻工大学	Emergency door stairs and application method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1193857A (en) *		1959-11-05
DE936062C (en) *	1953-02-20	1955-12-01	Saegewerk	Retractable two-part attic stairs
AT323983B (en) *	1971-08-09	1975-08-11	Wihl Frank Gmbh	SUBDIVIDED FLOOR STAIRS

1971
- 1971-02-10 DE DE19712106358 patent/DE2106358C3/en not_active Expired
1972
- 1972-01-21 AT AT51272A patent/AT318217B/en not_active IP Right Cessation
- 1972-01-26 CH CH113272A patent/CH539771A/en not_active IP Right Cessation
- 1972-01-27 NL NL7201141A patent/NL166750C/en not_active IP Right Cessation
- 1972-01-31 GB GB436572A patent/GB1342226A/en not_active Expired
- 1972-02-08 SE SE146472A patent/SE371248B/xx unknown
- 1972-02-08 IT IT2032372A patent/IT947382B/en active
- 1972-02-08 DK DK53972A patent/DK125930B/en not_active IP Right Cessation
- 1972-02-09 YU YU30172A patent/YU35906B/en unknown
- 1972-02-10 FR FR7204512A patent/FR2126843A5/fr not_active Expired
- 1972-02-10 BE BE779219A patent/BE779219A/en unknown

Also Published As

Publication number	Publication date
FR2126843A5 (en)	1972-10-06
DK125930B (en)	1973-05-21
YU35906B (en)	1981-08-31
SE371248B (en)	1974-11-11
IT947382B (en)	1973-05-21
DE2106358C3 (en)	1980-02-07
GB1342226A (en)	1974-01-03
CH539771A (en)	1973-07-31
NL7201141A (en)	1972-08-14
AT318217B (en)	1974-10-10
DE2106358B2 (en)	1979-06-13
NL166750C (en)	1981-09-15
BE779219A (en)	1972-05-30
DE2106358A1 (en)	1972-09-14
YU30172A (en)	1981-02-28

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Legal Events

Date	Code	Title	Description
1992-02-17	V4	Lapsed because of reaching the maxim lifetime of a patent