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Knife having a replaceable blade
US 2,637,904 A
Filed
: 07/24/1951
Issued
: 05/12/1953
Est. Priority Date
: 07/24/1951
Status: Expired due to Term
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Current Assignee
Henry A. Springer
Original Assignee
Henry A. Springer
Inventors
Springer, Henry A.
Application Number
US03/238,277
Time in Patent Office
658 Days
Field of Search
US Class Current
30/334
CPC Class Codes
B26B 27/00
Hand cutting tools not prov...
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