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US 3,003,420 A
Filed
: 07/31/1959
Issued
: 10/10/1961
Est. Priority Date
: 10/01/1956
Status: Expired due to Term
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Current Assignee
John A. Nosler
Original Assignee
John A. Nosler
Inventors
Nosler, John A.
Application Number
US03/830,941
Time in Patent Office
802 Days
Field of Search
US Class Current
102/508
CPC Class Codes
F42B 12/34
expanding before or on impa...
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