Patent US3086492A successfully refreshed from Google Patents.
US3086492A
Expired / Lapsed
US
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Propulsion apparatus
Assignee: Individual
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Filing: 1960-10-31
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Granted: 1963-04-23
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Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 John M Holley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:07
CPC Classifications
B; B65; B65H; B65H16/00; B65H16/02; B65H16/04; B63; B63H; B63H16/00; B63H16/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN PROPULSION APPARATUS FOR MOUNTING ON A SMALL BOAT TRANSOM, AN ELONGATED, GENERALLY Z-SHAPED MEMBER DEFINED BY GENERALLY HORIZONTALLY EXTENDING INTEGRAL LEGS AT THE ENDS THEREOF AND AN INTERMEDIATE, VERTICALLY INCLINED PORTION COUPLING SAID LEGS, PIVOT MEANS ON ONE OF SAID LEGS FOR MOVING SAID MEMBER THROUGH A GENERALLY HORIZONTAL ARC WHEN SAID PIVOT MEANS IS SECURED TO SAID TRANSOM, A GENERALLY VERTICALLY DISPOSED, FLAT RESILIENT BIFURCATED FIN SECURED TO THE OTHER OF SAID LEGS AND EXTENDING AWAY THEREFROM, SAID FIN MEANS TAPERING IN THICKNESS IN PROCEEDING AWAY FROM SAID INCLINED PORTION AND TAPERING IN WIDTH IN PROCEEDING TOWARD SAID INCLINED PORTION, SAID INCLINED PORTION COMPRISING A HOLLOW TUBULAR ELEMENT AND A SECOND ELEMENT TELESCOPICALLY RECEIVED THEREIN, THE END OF SAID TUBULAR ELEMENT RECEIVING SAID SECOND ELEMENT BEING EQUIPPED WITH LONGITUDINALLY-DISPOSED, CIRCUMFERENTIALLY SPACED SLITS, AND SLEEVE MEANS RELEASABLY MOUNTED ON SAID TUBULAR ELEMENT URGING THE SLIT-EQUIPPED END OF SAID TUBULAR ELEMENT INTO GRIPPING ENGAGEMENT WITH SAID SECOND ELEMENT.
Claim 2
Dependent Claim
158 words
IN PROPULSION APPARATUS FOR MOUNTING ON A SMALL BOAT TRANSOM, AN ELONGATED, GENERALLY Z-SHAPED MEMBER DEFINED BY GENERALLY HORIZONTALLY EXTENDING INTEGRAL LEGS AT THE ENDS THEREOF AND AN INTERMEDIATE, VERTICALLY INCLINED PORTION COUPLING SAID LEGS, PIVOT MEANS ON ONE OF SAID LEGS FOR MOVING SAID MEMBER THROUGH A GENERALLY HORIZONTAL ARC WHEN SAID PIVOT MEANS IS SECURED TO SAID TRANSOM, A GENERALLY VERTICALLY DISPOSED, FLAT RESILIENT BIFURCATED FIN SECURED TO THE OTHER OF SAID LEGS AND EXTENDING AWAY THEREFROM, SAID FIN MEANS TAPERING IN THICKNESS IN PROCEEDING AWAY FROM SAID INCLINED PORTION AND TAPERING IN WIDTH IN PROCEEDING TOWARD SAID INCLINED PORTION, SAID INCLINED PORTION COMPRISING A HOLLOW TUBULAR ELEMENT AND A SECOND ELEMENT TELESCOPICALLY RECEIVED THEREIN, THE END OF SAID TUBULAR ELEMENT RECEIVING SAID SECOND ELEMENT BEING EQUIPPED WITH LONGITUDINALLY-DISPOSED, CIRCUMFERENTIALLY SPACED SLITS, AND SLEEVE MEANS RELEASABLY MOUNTED ON SAID TUBULAR ELEMENT URGING THE SLIT-EQUIPPED END OF SAID TUBULAR ELEMENT INTO GRIPPING ENGAGEMENT WITH SAID SECOND ELEMENT.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |