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Adjustable switch frames and plaster rings
US 2,707,221 A
Filed
: 10/22/1952
Issued
: 04/26/1955
Est. Priority Date
: 10/22/1952
Status: Expired due to Term
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13 Citations
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Current Assignee
Benjamin E. Frank
Original Assignee
Benjamin E. Frank
Inventors
Frank, Benjamin E.
Application Number
US03/316,241
Time in Patent Office
916 Days
Field of Search
US Class Current
200/294
CPC Class Codes
H02B 1/044
Mounting through openings
H02G 3/121
in plain walls
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