US3236202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water craft
Assignee: General Dynamics Corp
•
Filing: 1964-12-09
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Granted: 1966-02-22
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Expires: 1984-12-09
Abstract
No abstract record available.
Inventors
- 👤 John C Quady
- 👤 Kenneth L Mclellan
- 👤 George H Schillreff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:23
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/02; B63B1/10; B63B1/12; B63B1/16; B63B1/24; B63B1/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
A WATER CRAFT INCLUDING A PAIR OF HULLS INTERCONNECTED BY DECKING, MEANS FOR PROPOLLING THE CRAFT AT LOW SPEEDS, SAID LOW SPEED PROPELLING MEANS INCLUDING AT LEAST ONE TELESCOPING MAST MOUNTED ON SAID DECKING, AND AT LEAST ONE SAIL RIGGED TO SAID MAST, MEANS FOR PROPELLING THE CRAFT AT HIGH SPEEDS, SAID HIGH SPEED PROPELLING MEANS INCLUDING A HIGH HORESPOWER INBOARD POWER PLANT MOUNTED IN EACH OF SAID HULLS AND OPERATIVELY CONNECTED FOR DRIVING PROPELLING MECHANISM, SAID HIGH SPEED PROPELLING MEANS ADDITIONALLY INCLUDING A PLURALITY OF HYDRODYNAMIC LIFTING SURFACES OPERATIVELY POSITIONED INTERMEDIATE SAID HULLS, ONE OF SAID HYDRODYNAMIC LIFTING SURFACES BEING POSITIONED NEAR THE CENTER OF GRAVITY OF SAID WATER CRAFT.
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |