CA469166A - Electric lamps of double spiral convolutions - Google Patents

Electric lamps of double spiral convolutions

Info

Publication number: CA469166A
Authority: CA; Canada
Prior art keywords: double spiral; electric lamps; spiral convolutions; convolutions; lamps
Prior art date: 1950-11-07
Legal status (The legal status 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 status listed.): Expired

Application number

CA469166A

Other languages

French (fr)

Inventor

Greiner Alfred

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

General Electric Canada Co

Original Assignee

Canadian General Electric Co Ltd

Publication date

1950-11-07

1950-11-07 Application granted granted Critical

1950-11-07 Publication of CA469166A publication Critical patent/CA469166A/en

Status Expired legal-status Critical Current

Links

CA469166A Electric lamps of double spiral convolutions Expired CA469166A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA469166T

Publications (1)

Publication Number	Publication Date
CA469166A true CA469166A (en)	1950-11-07

Family

ID=35603100

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA469166A Expired CA469166A (en)			Electric lamps of double spiral convolutions

Country Status (1)

Country	Link
CA (1)	CA469166A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3634716A (en) *	1968-04-30	1972-01-11	Ricoh Kk	Rectangularly shaped gas-filled lamp for photocopying machines
US3764844A (en) *	1972-04-28	1973-10-09	A Schmidt	Gas discharge lamp and method for making same
US5751104A (en) *	1995-03-31	1998-05-12	General Electric Company	Compact fluorescent lamp having a helical lamp envelope

0
- CA CA469166A patent/CA469166A/en not_active Expired

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3634716A (en) *	1968-04-30	1972-01-11	Ricoh Kk	Rectangularly shaped gas-filled lamp for photocopying machines
US3764844A (en) *	1972-04-28	1973-10-09	A Schmidt	Gas discharge lamp and method for making same
US5751104A (en) *	1995-03-31	1998-05-12	General Electric Company	Compact fluorescent lamp having a helical lamp envelope

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