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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
NL52995C true NL52995C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=19778508

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL52995D NL52995C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1937-06-12

Country Status (7)

Country	Link
US (1)	US2211597A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1)	BE428541A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1)	CH205004A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1)	DE707824C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1)	FR839169A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1)	GB512083A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1)	NL52995C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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
- BE BE428541D patent/BE428541A/xx unknown
- NL NL52995D patent/NL52995C/xx active
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/de not_active Expired
- 1938-06-10 CH CH205004D patent/CH205004A/de unknown
- 1938-06-10 FR FR839169D patent/FR839169A/fr not_active Expired

Also Published As

Publication number	Publication date
BE428541A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE707824C (de)	1941-07-04
GB512083A (en)	1939-08-29
CH205004A (de)	1939-05-31
US2211597A (en)	1940-08-13
FR839169A (fr)	1939-03-28

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