GB8608614D0 - Lamps - Google Patents

Lamps

Info

Publication number
GB8608614D0
GB8608614D0 GB868608614A GB8608614A GB8608614D0 GB 8608614 D0 GB8608614 D0 GB 8608614D0 GB 868608614 A GB868608614 A GB 868608614A GB 8608614 A GB8608614 A GB 8608614A GB 8608614 D0 GB8608614 D0 GB 8608614D0
Authority
GB
United Kingdom
Prior art keywords
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.)
Granted
Application number
GB868608614A
Other versions
GB2174185B (en
GB2174185A (en
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.)
DALY P N Ltd
Original Assignee
DALY P N Ltd
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
Priority claimed from GB858510387A external-priority patent/GB8510387D0/en
Application filed by DALY P N Ltd filed Critical DALY P N Ltd
Publication of GB8608614D0 publication Critical patent/GB8608614D0/en
Publication of GB2174185A publication Critical patent/GB2174185A/en
Application granted granted Critical
Publication of GB2174185B publication Critical patent/GB2174185B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
GB8608614A 1985-04-24 1986-04-09 Improvements in or relating to lamps Expired GB2174185B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB858510387A GB8510387D0 (en) 1985-04-24 1985-04-24 Lamps
GB858512299A GB8512299D0 (en) 1985-04-24 1985-05-15 Lamps

Publications (3)

Publication Number Publication Date
GB8608614D0 true GB8608614D0 (en) 1986-05-14
GB2174185A GB2174185A (en) 1986-10-29
GB2174185B GB2174185B (en) 1989-05-10

Family

ID=26289157

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8608614A Expired GB2174185B (en) 1985-04-24 1986-04-09 Improvements in or relating to lamps

Country Status (1)

Country Link
GB (1) GB2174185B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR372300A (en) * 1905-12-08 1907-03-29 Lee De Forest Aerophores refinements
ES128147A1 (en) * 1931-10-28 1932-11-16 Pellini Joseph IMPROVEMENTS IN THE BATTERIES OR HERMETICALLY CLOSED ELECTRICAL ELEMENTS, OF TWO LIQUIDS AND OF DIAPHRAGM.
GB446677A (en) * 1934-11-02 1936-05-04 Lucas Ltd Joseph Improvements relating to electric battery lamps
GB542553A (en) * 1940-04-03 1942-01-14 Gen Electric Co Ltd Improvements in and relating to means for saving life
FR1507315A (en) * 1966-11-17 1967-12-29 Warning lamp
GB1447485A (en) * 1972-07-25 1976-08-25 Cameron Price Ltd Battery powered lamp

Also Published As

Publication number Publication date
GB2174185B (en) 1989-05-10
GB2174185A (en) 1986-10-29

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee