US3080845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat having movable keel device
Assignee: Individual
•
Filing: 1961-11-06
•
Granted: 1963-03-12
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Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 Pollak Edward George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:02
CPC Classifications
B; B63; B63B; B63B41/00; B63B3/00; B63B3/14; B63B3/38; B63B2003/385
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A BOAT COMPRISING A HULL, A RUDDER CONNECTED TO SAID HULL, A KEEL CONNECTED TO SAID HULL, A KEEL DEVICE REARWARDLY OF SAID KEEL AND SPACED FORWARDLY FROM SAID RUDDER, SAID KEEL DEVICE HAVING A ROTATABLE SHAFT EXTENDING DOWNWARDLY AND ADJACENT SAID KEEL, ONLY ONE FLAP ATTACHED TO AND MOVABLE WITH SAID SHAFT RELATIVE TO SAID KEEL, AND MEANS ROTATABLY CONNECTING SAID SHAFT TO SAID HULL.
Claim 2
Dependent Claim
66 words
A BOAT COMPRISING A HULL, A RUDDER CONNECTED TO SAID HULL, A KEEL CONNECTED TO SAID HULL, A KEEL DEVICE REARWARDLY OF SAID KEEL AND SPACED FORWARDLY FROM SAID RUDDER, SAID KEEL DEVICE HAVING A ROTATABLE SHAFT EXTENDING DOWNWARDLY AND ADJACENT SAID KEEL, ONLY ONE FLAP ATTACHED TO AND MOVABLE WITH SAID SHAFT RELATIVE TO SAID KEEL, AND MEANS ROTATABLY CONNECTING SAID SHAFT TO SAID HULL.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |