US3307634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hub construction for boat propellers
Assignee: Individual
•
Filing: 1966-01-17
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Granted: 1967-03-07
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Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 Otto L Bihlmire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:58
CPC Classifications
B; B63; B63H; B63H1/00; B63H1/02; B63H1/12; B63H1/14; B63H1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A MARINE PROPELLER DRIVE SHAFT CLUTCH COMPRISING IN COMBINATION WITH THE PROPELLER HUB: (A) THE HUB HAVING AN AXIAL OPENING THERETHROUGH THE NORMALLY FORWARD END PORTION OF WHICH IS TAPERED INWARDLY; (B) A SLEEVE WITHIN AND LONGITUDINALLY OF THE AXIAL OPENING; (C) AN ELASTOMERIC BUSHING ON AN INTERMEDIATE PORTION OF THE SLEEVE WITHIN SAID TAPERED END PORTION OF THE AXIAL OPENING IN JUXTAPOSED AND BEARING ENGAGEMENT WITH THE ADJACENT HUB WALLS; (D) A NUT THREADEDLY ENGAGED WITH THE NORMALLY FORWARD END PORTION OF THE SLEEVE, RECEIVED WITHIN SAID OPENING FOR ADJUSTABLE BEARING ENGAGEMENT WITH AND ON THE ADJACENT END OF SAID BUSHING, AND, (E) A SECOND NUT THREADEDLY ENGAGED ON THE OPPOSITE END PORTION OF SAID SLEEVE, RECEIVED WITHIN SAID OPEN-
Claim 2
Dependent Claim
121 words
A MARINE PROPELLER DRIVE SHAFT CLUTCH COMPRISING IN COMBINATION WITH THE PROPELLER HUB: (A) THE HUB HAVING AN AXIAL OPENING THERETHROUGH THE NORMALLY FORWARD END PORTION OF WHICH IS TAPERED INWARDLY; (B) A SLEEVE WITHIN AND LONGITUDINALLY OF THE AXIAL OPENING; (C) AN ELASTOMERIC BUSHING ON AN INTERMEDIATE PORTION OF THE SLEEVE WITHIN SAID TAPERED END PORTION OF THE AXIAL OPENING IN JUXTAPOSED AND BEARING ENGAGEMENT WITH THE ADJACENT HUB WALLS; (D) A NUT THREADEDLY ENGAGED WITH THE NORMALLY FORWARD END PORTION OF THE SLEEVE, RECEIVED WITHIN SAID OPENING FOR ADJUSTABLE BEARING ENGAGEMENT WITH AND ON THE ADJACENT END OF SAID BUSHING, AND, (E) A SECOND NUT THREADEDLY ENGAGED ON THE OPPOSITE END PORTION OF SAID SLEEVE, RECEIVED WITHIN SAID OPEN-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |