NL54277C - - Google Patents

Info

Publication number: NL54277C
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.)

1938-10-15

Publication of NL54277C publication Critical patent/NL54277C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/40—Closing vessels

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Resistance Heating (AREA)
Joining Of Glass To Other Materials (AREA)

NL54277D 1938-10-15 NL54277C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB29913/38A GB519355A (en)	1938-10-15	1938-10-15	Improvements in and relating to methods of hermetically sealing vitreous or ceramic vessels

Publications (1)

Publication Number	Publication Date
NL54277C true NL54277C (enrdf_load_html_response)

Family

ID=10299234

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL54277D NL54277C (enrdf_load_html_response)	1938-10-15

Country Status (5)

Country	Link
US (1)	US2169112A (enrdf_load_html_response)
DE (1)	DE701250C (enrdf_load_html_response)
FR (1)	FR860870A (enrdf_load_html_response)
GB (1)	GB519355A (enrdf_load_html_response)
NL (1)	NL54277C (enrdf_load_html_response)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2473860A (en) *	1946-11-09	1949-06-21	Gen Electric	Internal exhaust seal for electric lamps and similar devices
GB694672A (en) *	1951-02-23	1953-07-22	Hivac Ltd	Improvements in or relating to electric incandescent lamps
US2664517A (en) *	1952-02-27	1953-12-29	Westinghouse Electric Corp	Tipless quartz lamp
US2889670A (en) *	1954-04-21	1959-06-09	Nat Union Electric Corp	Method of manufacturing an electron tube
US3351802A (en) *	1964-06-12	1967-11-07	Sylvania Electric Prod	Single ended, quartz type incandescent lamp
TWM272222U (en) *	2005-02-14	2005-08-01	Hung Mian Light Source Co Ltd	Power-saving bulb

0
- NL NL54277D patent/NL54277C/xx active
1938
- 1938-10-15 GB GB29913/38A patent/GB519355A/en not_active Expired
1939
- 1939-03-22 US US263358A patent/US2169112A/en not_active Expired - Lifetime
- 1939-09-28 DE DE1939P0079814 patent/DE701250C/de not_active Expired
- 1939-10-16 FR FR860870D patent/FR860870A/fr not_active Expired

Also Published As

Publication number	Publication date
GB519355A (en)	1940-03-21
FR860870A (fr)	1941-01-25
DE701250C (de)	1941-01-11
US2169112A (en)	1939-08-08

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