GB806899A - Improvements connected with electric lamps - Google Patents

Improvements connected with electric lamps

Info

Publication number
GB806899A
GB806899A GB17900/56A GB1790056A GB806899A GB 806899 A GB806899 A GB 806899A GB 17900/56 A GB17900/56 A GB 17900/56A GB 1790056 A GB1790056 A GB 1790056A GB 806899 A GB806899 A GB 806899A
Authority
GB
United Kingdom
Prior art keywords
electric lamps
june
base
lamps
improvements connected
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
GB17900/56A
Inventor
Ernst Ludwig Ruppel
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.)
EDWIN TAYLOR STAMPING WORKS LT
Original Assignee
EDWIN TAYLOR STAMPING WORKS LT
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 EDWIN TAYLOR STAMPING WORKS LT filed Critical EDWIN TAYLOR STAMPING WORKS LT
Priority to GB17900/56A priority Critical patent/GB806899A/en
Publication of GB806899A publication Critical patent/GB806899A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

806,899. Switch cases; hand actuating devices for switches. TAYLOR STAMPING WORKS Ltd., E. June 6, 1957 [June 9, 1956], No. 17900/56. Class 38 (5). [Also in Group XL (a)] In electric lamps, particularly table lamps of the kind described in Specification 443,390, whose box-like base contains pressure-operated switch mechanism, the rim, top-surface or flange of the top surface area of the base is provided with lines or areas of a phosphorescent character indicating the area for the application of the operative pressure.
GB17900/56A 1956-06-09 1956-06-09 Improvements connected with electric lamps Expired GB806899A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB17900/56A GB806899A (en) 1956-06-09 1956-06-09 Improvements connected with electric lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB17900/56A GB806899A (en) 1956-06-09 1956-06-09 Improvements connected with electric lamps

Publications (1)

Publication Number Publication Date
GB806899A true GB806899A (en) 1959-01-07

Family

ID=10103218

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17900/56A Expired GB806899A (en) 1956-06-09 1956-06-09 Improvements connected with electric lamps

Country Status (1)

Country Link
GB (1) GB806899A (en)

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