FR726043A - Improvements to battery-powered electric lamps - Google Patents

Improvements to battery-powered electric lamps

Info

Publication number
FR726043A
FR726043A FR726043DA FR726043A FR 726043 A FR726043 A FR 726043A FR 726043D A FR726043D A FR 726043DA FR 726043 A FR726043 A FR 726043A
Authority
FR
France
Prior art keywords
battery
electric lamps
powered electric
powered
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)
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.)
Scovill Inc
Original Assignee
Scovill Inc
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 Scovill Inc filed Critical Scovill Inc
Application granted granted Critical
Publication of FR726043A publication Critical patent/FR726043A/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
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • 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
    • F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR726043D 1931-03-06 1931-11-06 Improvements to battery-powered electric lamps Expired FR726043A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US726043XA 1931-03-06 1931-03-06

Publications (1)

Publication Number Publication Date
FR726043A true FR726043A (en) 1932-05-21

Family

ID=22108683

Family Applications (1)

Application Number Title Priority Date Filing Date
FR726043D Expired FR726043A (en) 1931-03-06 1931-11-06 Improvements to battery-powered electric lamps

Country Status (1)

Country Link
FR (1) FR726043A (en)

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