NL50898C - - Google Patents

Info

Publication number: NL50898C
Authority: NL; Netherlands

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.)

1937-02-13

Publication of NL50898C publication Critical patent/NL50898C/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
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space

NL50898D 1937-02-13 NL50898C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE202655X		1937-02-13

Publications (1)

Publication Number	Publication Date
NL50898C true NL50898C (enrdf_load_stackoverflow)

Family

ID=5772561

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL50898D NL50898C (enrdf_load_stackoverflow)	1937-02-13

Country Status (6)

Country	Link
US (1)	US2160648A (enrdf_load_stackoverflow)
BE (1)	BE426311A (enrdf_load_stackoverflow)
CH (1)	CH202655A (enrdf_load_stackoverflow)
FR (1)	FR833498A (enrdf_load_stackoverflow)
GB (1)	GB494068A (enrdf_load_stackoverflow)
NL (1)	NL50898C (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2435299A (en) *	1943-12-27	1948-02-03	Edwin C Weiskopf	Microscope projecting and viewing apparatus
US2435300A (en) *	1945-06-02	1948-02-03	Edwin C Weiskopf	Projector for microscopes and other magnifying devices
US2477396A (en) *	1946-08-27	1949-07-26	Edwin C Weiskopf	Projecting microscope and viewing device
US2642521A (en) *	1949-05-26	1953-06-16	Ozalid Co Ltd	End connection for tubular lamps

0
- BE BE426311D patent/BE426311A/xx unknown
- NL NL50898D patent/NL50898C/xx active
1938
- 1938-02-05 US US189006A patent/US2160648A/en not_active Expired - Lifetime
- 1938-02-10 GB GB4240/38A patent/GB494068A/en not_active Expired
- 1938-02-11 FR FR833498D patent/FR833498A/fr not_active Expired
- 1938-02-12 CH CH202655D patent/CH202655A/de unknown

Also Published As

Publication number	Publication date
GB494068A (en)	1938-10-19
FR833498A (fr)	1938-10-21
CH202655A (de)	1939-01-31
BE426311A (enrdf_load_stackoverflow)
US2160648A (en)	1939-05-30

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