US1895143A - Incandescent lamp - Google Patents

Incandescent lamp Download PDF

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Publication number
US1895143A
US1895143A US229469A US22946927A US1895143A US 1895143 A US1895143 A US 1895143A US 229469 A US229469 A US 229469A US 22946927 A US22946927 A US 22946927A US 1895143 A US1895143 A US 1895143A
Authority
US
United States
Prior art keywords
incandescent lamp
filament
frosted
bulb
lamp
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 - Lifetime
Application number
US229469A
Other languages
English (en)
Inventor
Alderson Frederick Jackson
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.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of US1895143A publication Critical patent/US1895143A/en
Anticipated expiration legal-status Critical
Priority claimed from CA282,282A external-priority patent/CA1083672A/en
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/28Envelopes; Vessels
    • H01K1/32Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof

Definitions

  • This invention relates to improvements in incandescent lamps and' more particularly to electric incandescent lamps for use in automobile headlights and the Aobjects of the in vention are to overcome glare by eliminating direct radiation from the lament.
  • Second-a deep glow at the base of the reflector which is particularly troublesome at some distance from the light on a narrow.
  • A indicates-theincanldescent lamp as a'wholeparticularly adaptedV for use with automobile headlightsr and 'I provided with a transparent glassbulbllof entrally arranged in the bulb isthe filament 11 with a Vfilament support and a transparent supporting stem or base for the' filament support 12 of any .suitable material and here shown as glass.
  • the glass filament supporting stem l2 may also be, with advantage, frosted lto register With the frosted rear portion of the bulb. Furthermore, a frosted ring 16, .as shown in Figl ure 3, intermediate of the transparent ring l5 may also be provided.
  • VVI-hatv I claim. as my invention is In an incandescent lampiA of the character described, the combination with a forwardA light diffusing zone surrounding 'the front fend'of the Ylamp .and extending midway thereof', a second restricted light diffusing Zone around the base of the lamp., a light diffusing band intermediate of the aforementioned light diffusing Zones and light transmitting 3-0 zones betweenthe light diffusing band .and

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
US229469A 1977-07-07 1927-10-28 Incandescent lamp Expired - Lifetime US1895143A (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
US1895143A true US1895143A (en) 1933-01-24

Family

ID=4109090

Family Applications (1)

Application Number Title Priority Date Filing Date
US229469A Expired - Lifetime US1895143A (en) 1977-07-07 1927-10-28 Incandescent lamp

Country Status (4)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD260803S (en) 1980-04-17 1981-09-15 Gary Lester Hall Ultrasonic pest repelling device
USD385366S (en) * 1992-07-17 1997-10-21 Rudiger Darius Paulmann Halogen lamp
USD1030097S1 (en) * 2021-07-22 2024-06-04 Nordic Lighting Co., Ltd LED bulb

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011030335A2 (en) * 2009-09-10 2011-03-17 Yosef Shterenberg Light bulbs with surface patterns

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD260803S (en) 1980-04-17 1981-09-15 Gary Lester Hall Ultrasonic pest repelling device
USD385366S (en) * 1992-07-17 1997-10-21 Rudiger Darius Paulmann Halogen lamp
USD1030097S1 (en) * 2021-07-22 2024-06-04 Nordic Lighting Co., Ltd LED bulb

Also Published As

Publication number Publication date
GB298077A (en) 1929-06-20
FR660796A (fr) 1929-07-17
BE354543A (enrdf_load_stackoverflow) 1928-10-31

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