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Accumulator lamp and charging device therefor having a magnetically operated switch to open the lamp circuit and establish the charging circuit
US 2,556,506 A
Filed
: 10/03/1945
Issued
: 06/12/1951
Est. Priority Date
: 09/25/1944
Status: Expired due to Term
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Current Assignee
Oswald Roberts Alec
Original Assignee
Oswald Roberts Alec
Inventors
OSWALD ROBERTS ALEC
Application Number
US02/620,012
Time in Patent Office
2,078 Days
Field of Search
US Class Current
362/183
CPC Class Codes
F21L 2/00
Systems of electric lightin...
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