BE434076A - - Google Patents

Info

Publication number: BE434076A
Authority: BE; Belgium

Application number

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.)

1938-05-26

Publication of BE434076A publication Critical patent/BE434076A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details

BE434076D 1938-05-26 BE434076A (en))

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB15790/38A GB515180A (en)	1938-05-26	1938-05-26	Improvements in key switching devices suitable for use in telephone systems

Publications (1)

Publication Number	Publication Date
BE434076A true BE434076A (en))

Family

ID=10065497

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE434076D BE434076A (en))	1938-05-26

Country Status (3)

Country	Link
US (1)	US2290453A (en))
BE (1)	BE434076A (en))
GB (1)	GB515180A (en))

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2500413A (en) *	1945-11-26	1950-03-14	Clare & Co C P	Gang relay switch arrangement
US2698370A (en) *	1952-05-13	1954-12-28	Gen Control Company	Electric switch
US3156789A (en) *	1961-04-06	1964-11-10	Automatic Elect Lab	Lever key switch with molded lever key
US3164687A (en) *	1961-04-18	1965-01-05	Automatic Elect Lab	Molded plastic lever key for locking or non-locking operation

0
- BE BE434076D patent/BE434076A/xx unknown
1938
- 1938-05-26 GB GB15790/38A patent/GB515180A/en not_active Expired
1939
- 1939-05-18 US US274385A patent/US2290453A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US2290453A (en)	1942-07-21
GB515180A (en)	1939-11-28

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