Boat with secondary propulsion means
Abstract
Abstract THIS SPECIFICATION DISCLOSES A PLEASURE BOAT CHARACTERIZED BY HAVING, IN ADDITION TO A PRIMARY PROPULSION AND GUIDANCE MEANS, A RETRACTABLE SECONDARY PROPULSION AND GUIDANCE MEANS EXTENDIBLE DOWNWARD THROUGH THE HULL OF THE BOAT INTO THE WATER FOR OPERATION AT LOW SPEEDS VIA A WELL THAT IS LOCATED IN THE HULL OUTSIDE, NORMALLY FORWARD, OF THE PLANING SURFACE SO AS TO BE OUT OF THE WATER AT CRUISING SPEEDS. THE PLEASURE BOAT DESCRIBED HAS A HULL ADAPTED TO OPERATE WITH A DRAFT SURFACE IN THE WATER AT LOW SPEEDS AND TO OPERATE WITH A PLANING SURFACE LESS THAN THE DRAFT SURFACE IN THE WATER AT CRISING SPEEDS. IN ONE EMBODIMENT, THE WELL IS DISPOSED SLIGHTLY TO ONE SIDE OF THE KEEL LINE OF THE BOAT. SPECIFIC EQUIPMENT AND ARRANGEMENTS ARE DESCRIBED.
Inventors
- 👤 Walter H Patterson
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |