Propeller
First Claim
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1. A PROPELLER COMPRISING A GENERALLY CYLINDRICAL HUB HAVING A CENTRAL AXIS, A SERIES OF BLADES EACH INCLUDING A BLADE PART EXTENDING FROM SAID HUB, AND A TANG PART EXTENDING IN SAID HUB, SAID TANG PARTS EACH HAVING A CROSS SECTION OF GENERALLY I BEAM SHAPE IN A PLANE CONTAINING THE AXIS OF SAID HUB AND HAVING AT LEAST ONE GROOVE EXTENDING IN THE DIRECTION OF SAID HUB AXIS.
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1 Claim
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1. A PROPELLER COMPRISING A GENERALLY CYLINDRICAL HUB HAVING A CENTRAL AXIS, A SERIES OF BLADES EACH INCLUDING A BLADE PART EXTENDING FROM SAID HUB, AND A TANG PART EXTENDING IN SAID HUB, SAID TANG PARTS EACH HAVING A CROSS SECTION OF GENERALLY I BEAM SHAPE IN A PLANE CONTAINING THE AXIS OF SAID HUB AND HAVING AT LEAST ONE GROOVE EXTENDING IN THE DIRECTION OF SAID HUB AXIS.
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Current AssigneeArmin E. Jocz
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Original AssigneeArmin E. Jocz
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InventorsJocz, Armin E.
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Application NumberUS04/373,926Time in Patent Office678 DaysField of SearchUS Class Current416/215CPC Class CodesB63H 1/20 Hubs; Blade connectionsB63H 1/26 BladesY10T 29/49332 Propeller making
