BE345547A - - Google Patents

Info

Publication number: BE345547A
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.)

1927-07-09

Publication of BE345547A publication Critical patent/BE345547A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
- H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour

BE345547D 1927-07-09 BE345547A (US08080257-20111220-C00005.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US204479A US1680271A (en)	1927-07-09	1927-07-09	Argon-mercury discharge tube

Publications (1)

Publication Number	Publication Date
BE345547A true BE345547A (US08080257-20111220-C00005.png)

Family

ID=22758059

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE345547D BE345547A (US08080257-20111220-C00005.png)	1927-07-09

Country Status (3)

Country	Link
US (1)	US1680271A (US08080257-20111220-C00005.png)
BE (1)	BE345547A (US08080257-20111220-C00005.png)
FR (1)	FR644800A (US08080257-20111220-C00005.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3331977A (en) *	1965-03-15	1967-07-18	Westinghouse Electric Corp	High output discharge lamp with vapor pressure control means
NL7712059A (nl) *	1977-11-02	1979-05-04	Philips Nv	Lagedruknatriumdampontladingslamp.

0
- BE BE345547D patent/BE345547A/xx unknown
1927
- 1927-07-09 US US204479A patent/US1680271A/en not_active Expired - Lifetime
- 1927-10-15 FR FR644800D patent/FR644800A/fr not_active Expired

Also Published As

Publication number	Publication date
FR644800A (fr)	1928-10-13
US1680271A (en)	1928-08-07

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