Patent DE646885C successfully refreshed from Google Patents.
DE646885C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Battery-powered miniature lamp for one-hand operation with a battery that can be moved in an insulating material housing for the purpose of switching the incandescent lamp
Assignee: Individual
•
Filing: 1934-04-08
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Granted: 1937-06-23
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Expires: 1954-04-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 20:05
CPC Classifications
F; F21; F21L; F21L4/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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