NL52995C - - Google Patents

Info

Publication number: NL52995C
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.)

1937-06-12

Publication of NL52995C publication Critical patent/NL52995C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering

NL52995D 1937-06-12 NL52995C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL205004X		1937-06-12

Publications (1)

Publication Number	Publication Date
NL52995C true NL52995C (en)

Family

ID=19778508

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL52995D NL52995C (en)	1937-06-12

Country Status (7)

Country	Link
US (1)	US2211597A (en)
BE (1)	BE428541A (en)
CH (1)	CH205004A (en)
DE (1)	DE707824C (en)
FR (1)	FR839169A (en)
GB (1)	GB512083A (en)
NL (1)	NL52995C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3435272A (en) *	1966-07-15	1969-03-25	Gen Electric	Tubular halogen cycle incandescent lamp with inner cylinder for universal operation

0
- NL NL52995D patent/NL52995C/xx active
- BE BE428541D patent/BE428541A/xx unknown
1938
- 1938-06-06 US US212178A patent/US2211597A/en not_active Expired - Lifetime
- 1938-06-09 GB GB17179/38A patent/GB512083A/en not_active Expired
- 1938-06-10 DE DEN42076D patent/DE707824C/en not_active Expired
- 1938-06-10 FR FR839169D patent/FR839169A/en not_active Expired
- 1938-06-10 CH CH205004D patent/CH205004A/en unknown

Also Published As

Publication number	Publication date
BE428541A (en)
DE707824C (en)	1941-07-04
CH205004A (en)	1939-05-31
US2211597A (en)	1940-08-13
GB512083A (en)	1939-08-29
FR839169A (en)	1939-03-28

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