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Electric clock
US 2,974,265 A
Filed
: 12/24/1956
Issued
: 03/07/1961
Est. Priority Date
: 12/24/1955
Status: Expired due to Term
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Current Assignee
Fritz Thoma
Original Assignee
Fritz Thoma
Inventors
Thoma, Fritz
Application Number
US03/630,421
Time in Patent Office
1,534 Days
Field of Search
US Class Current
318/132
CPC Class Codes
G04C 3/0278
the pendulum controlling th...
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