CH601636A5 - - Google Patents

Info

Publication number
CH601636A5
CH601636A5 CH255676A CH255676A CH601636A5 CH 601636 A5 CH601636 A5 CH 601636A5 CH 255676 A CH255676 A CH 255676A CH 255676 A CH255676 A CH 255676A CH 601636 A5 CH601636 A5 CH 601636A5
Authority
CH
Switzerland
Application number
CH255676A
Inventor
Roger Ronny Jochen Svensson
Original Assignee
Roger Ronny Jochen Svensson
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 Roger Ronny Jochen Svensson filed Critical Roger Ronny Jochen Svensson
Publication of CH601636A5 publication Critical patent/CH601636A5/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • E06B7/30—Peep-holes; Devices for speaking through; Doors having windows
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/04—Eyepieces; Magnifying glasses affording a wide-angle view, e.g. through a spy-hole

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Aerials With Secondary Devices (AREA)
  • Lenses (AREA)
  • Hinges (AREA)
CH255676A 1975-03-12 1976-03-02 CH601636A5 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7502788A SE382264B (sv) 1975-03-12 1975-03-12 Anordning vid dorrkikare.

Publications (1)

Publication Number Publication Date
CH601636A5 true CH601636A5 (no) 1978-07-14

Family

ID=20323939

Family Applications (1)

Application Number Title Priority Date Filing Date
CH255676A CH601636A5 (no) 1975-03-12 1976-03-02

Country Status (13)

Country Link
US (1) US4050792A (no)
JP (1) JPS51111346A (no)
BE (1) BE839344A (no)
CH (1) CH601636A5 (no)
DE (1) DE7605142U1 (no)
DK (1) DK101776A (no)
ES (1) ES446005A1 (no)
FI (1) FI760170A (no)
FR (1) FR2303935A1 (no)
GB (1) GB1507281A (no)
IT (1) IT1055862B (no)
NL (1) NL7602540A (no)
SE (1) SE382264B (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4472025A (en) * 1982-09-09 1984-09-18 Huston Henry H Visual orientation device
US4763444A (en) * 1987-06-30 1988-08-16 Ritchie Ruben R Viewing and oral communications assembly for doors
US4964711A (en) * 1989-02-09 1990-10-23 Degnan Donald E Viewing device
US5262901A (en) * 1992-03-10 1993-11-16 Rudolph-Desco Company, Inc. Door viewer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE381095C (de) * 1923-09-15 Johann Horak Optischer Schutzapparat zum Beobachten des Innern von gegen Einbruch oder Diebstahl zu sichernden Laeden o. dgl. mit mehreren unter einem Winkel gegeneinander geneigten Objektiven
US1708746A (en) * 1927-04-16 1929-04-09 Company C P Goerz Optische Ans Panorama-exhibiting apparatus
US2491758A (en) * 1947-09-17 1949-12-20 Nichols Abe Peephole for doors
US3526452A (en) * 1966-06-27 1970-09-01 Lazare Paul Optical apparatus
US3910676A (en) * 1974-10-07 1975-10-07 Raymond Lee Organization Inc Viewing device
CH639051A5 (fr) * 1979-02-02 1983-10-31 Diffusion Rech Tech Financ Liant incombustible, adhesif et insensible a l'eau.

Also Published As

Publication number Publication date
FR2303935B1 (no) 1979-08-31
FI760170A (no) 1976-09-13
DK101776A (da) 1976-09-13
NL7602540A (nl) 1976-09-14
JPS51111346A (en) 1976-10-01
GB1507281A (en) 1978-04-12
US4050792A (en) 1977-09-27
BE839344A (fr) 1976-07-01
DE7605142U1 (de) 1976-08-05
SE382264B (sv) 1976-01-19
FR2303935A1 (fr) 1976-10-08
IT1055862B (it) 1982-01-11
ES446005A1 (es) 1977-05-16

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Legal Events

Date Code Title Description
PL Patent ceased