FR660796A - Improvement in incandescent lamps - Google Patents

Improvement in incandescent lamps

Info

Publication number
FR660796A
FR660796A FR660796DA FR660796A FR 660796 A FR660796 A FR 660796A FR 660796D A FR660796D A FR 660796DA FR 660796 A FR660796 A FR 660796A
Authority
FR
France
Prior art keywords
improvement
incandescent lamps
incandescent
lamps
Prior art date
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
Other languages
French (fr)
Inventor
Frederick Jackson Alderson
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.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR660796A publication Critical patent/FR660796A/en
Priority claimed from CA282,282A external-priority patent/CA1083672A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
FR660796D 1977-07-07 1928-09-21 Improvement in incandescent lamps Expired FR660796A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA282,282A CA1083672A (en) 1976-07-12 1977-07-07 Ground fault detector

Publications (1)

Publication Number Publication Date
FR660796A true FR660796A (en) 1929-07-17

Family

ID=4109090

Family Applications (1)

Application Number Title Priority Date Filing Date
FR660796D Expired FR660796A (en) 1977-07-07 1928-09-21 Improvement in incandescent lamps

Country Status (4)

Country Link
US (1) US1895143A (en)
BE (1) BE354543A (en)
FR (1) FR660796A (en)
GB (1) GB298077A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD385366S (en) * 1992-07-17 1997-10-21 Rudiger Darius Paulmann Halogen lamp
WO2011030335A2 (en) * 2009-09-10 2011-03-17 Yosef Shterenberg Light bulbs with surface patterns

Also Published As

Publication number Publication date
BE354543A (en) 1928-10-31
US1895143A (en) 1933-01-24
GB298077A (en) 1929-06-20

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