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Propeller blade
US 2,981,337 A
Filed
: 09/08/1959
Issued
: 04/25/1961
Est. Priority Date
: 09/08/1959
Status: Expired due to Term
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24
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24 Citations
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Current Assignee
Stuart Iii Joseph
Original Assignee
Stuart Iii Joseph
Inventors
STUART III JOSEPH
Application Number
US03/838,515
Time in Patent Office
595 Days
Field of Search
US Class Current
416/226
CPC Class Codes
B64C 11/24
Hollow blades
Y10T 29/49334
Utilizing hollow tube blank
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