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US 3,002,233 A
Filed
: 02/06/1959
Issued
: 10/03/1961
Est. Priority Date
: 02/06/1959
Status: Expired due to Term
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8 Citations
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Current Assignee
Gyo Obata
Original Assignee
Gyo Obata
Inventors
GYO OBATA
Application Number
US03/791,663
Time in Patent Office
970 Days
Field of Search
US Class Current
52/7
CPC Class Codes
E04H 3/30
Constructional features of ...
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