[go: up one dir, main page]

GB301240A - Improvement in electric lamps - Google Patents

Improvement in electric lamps

Info

Publication number
GB301240A
GB301240A GB292228A GB292228A GB301240A GB 301240 A GB301240 A GB 301240A GB 292228 A GB292228 A GB 292228A GB 292228 A GB292228 A GB 292228A GB 301240 A GB301240 A GB 301240A
Authority
GB
United Kingdom
Prior art keywords
improvement
neck
electric lamps
bulb
comptroller
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
GB292228A
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.)
KOTARO ENOMOTO
Original Assignee
KOTARO ENOMOTO
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 KOTARO ENOMOTO filed Critical KOTARO ENOMOTO
Priority to GB292228A priority Critical patent/GB301240A/en
Publication of GB301240A publication Critical patent/GB301240A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/42Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/44Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp directly applied to, or forming part of, the vessel

Landscapes

  • Knives (AREA)

Abstract

301,240. Ohara, T., Enomoto, K., and Honda, K. Jan. 30, 1928. Bulbs. - The bulb a is made together with its neck b, which is provided with screw-threads d for insertion into a lamp-holder, of a single piece of glass, the leading-in wires being exposed on the neck, and the part of the bulb adjacent the neck is formed without shoulders and is frosted. Reference has been directed by the Comptroller to Specifications 13919/92, 26292/04 and 207,652.
GB292228A 1928-01-30 1928-01-30 Improvement in electric lamps Expired GB301240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB292228A GB301240A (en) 1928-01-30 1928-01-30 Improvement in electric lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB292228A GB301240A (en) 1928-01-30 1928-01-30 Improvement in electric lamps

Publications (1)

Publication Number Publication Date
GB301240A true GB301240A (en) 1928-11-29

Family

ID=9748589

Family Applications (1)

Application Number Title Priority Date Filing Date
GB292228A Expired GB301240A (en) 1928-01-30 1928-01-30 Improvement in electric lamps

Country Status (1)

Country Link
GB (1) GB301240A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110172611A (en) * 2019-06-13 2019-08-27 赖亚娟 A kind of nano-graphite-nanometer MoS2Composite Cu base sliding contact material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110172611A (en) * 2019-06-13 2019-08-27 赖亚娟 A kind of nano-graphite-nanometer MoS2Composite Cu base sliding contact material

Similar Documents

Publication Publication Date Title
GB301240A (en) Improvement in electric lamps
USD101435S (en) Design for a lens globe for an
GB310929A (en) Improvements in incandescent electric lamps
GB309640A (en) Improvements in or relating to anti-glare or anti-dazzle lamps particularly applicable for use on vehicles
ES126473A1 (en) An electric lighting lamp with incandescent metallic filament.
GB495533A (en) Improvements in or relating to electric incandescent lamps
GB392126A (en) Improvements in and relating to caps for electric incandescent lamps
CA291752A (en) Filament incandescent lamp fitting
CA280347A (en) Flame-tint incandescent lamp glass
ES79201A3 (en) Improvements in electric incandescent lamps with metallic filament and filling of the bulb with a gas that does not attack the filament.
ES137742A1 (en) Manufacturing process of electric incandescent lamps with several ampoules.
FR833465A (en) Incandescent lamp bulbs
CA306284A (en) Incandescent lamp filament
GB420841A (en) Improvements in electric incandescent lamps
CA295780A (en) Electric incandescent lamp lighting system
GB305581A (en) Contact-preventing devices for electric incandescent lamps
AU1524928A (en) Electric incandescent lamp lighting system, and electric incandescent lamp holders
GB167606A (en) Improvements in and relating to electric lighting installations
FR654384A (en) Glass bulbs for incandescent lamps
ES93238A1 (en) A procedure for making globes and other lighting fixtures from glass with ornaments that cast grinding wheel.
CA293982A (en) Filament for incandescent lamps
CA297599A (en) Incandescent lamp mount
CA285892A (en) Incandescent lamp
CA285768A (en) Incandescent lamp
CA282182A (en) Incandescent lamp