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US 3,030,686 A
Filed
: 07/11/1960
Issued
: 04/24/1962
Est. Priority Date
: 07/11/1960
Status: Expired due to Term
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Current Assignee
Norman C. Burkhardt
Original Assignee
Norman C. Burkhardt
Inventors
Burkhardt, Norman C.
Application Number
US04/042,115
Time in Patent Office
652 Days
Field of Search
US Class Current
24/265.00B
CPC Class Codes
A44C 5/08
having separate links
A44C 5/14
characterised by the way of...
Y10T 24/4718
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