Patent US1639879A successfully refreshed from Google Patents.
Patent US3223067A successfully refreshed from Google Patents.
US3223067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underboard-engined boats and propulsion means therefor
Assignee: Individual
•
Filing: 1964-11-04
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Granted: 1965-12-14
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Expires: 1984-11-04
Abstract
No abstract record available.
Inventors
- 👤 John J Horan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:03
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/66; B63B35/665
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
A WATERCRAFT HAVING A HULL WITH A DOWNWARD OPENING THROUGH THE BOTTOM THEREOF; AN UPWARDLY PROJECTING WALL FORMATION SUPPORTED ON SAID HULL AND BORDERING SAID OPENING; A MOUNTING LEDGE MEANS SURMOUNTING AT LEAST A PORTION OF SAID WALL FORMATION AND ADAPTED TO RECEIVE THEREON A DEMOUNTABLE PROPULSION-SYSTEM ASSEMBLY, SAID WALL FORMATION BEING ADJUSTABLE AS TO HEIGHT OF RISE OF SAID LEDGE MEANS WITHIN SAID HULL, SAID WALL FORMATION BEING ATTACHED TO SAID HULL AND CONSISTING AT LEAST IN PART OF FLEXIBLE MATERIAL INTERVENING BETWEEN SAID HULL AND SAID LEDGE MEANS.
References Cited (Backward Citations)
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |