Patent US3188995A successfully refreshed from Google Patents.
US3188995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air propeller attachment for marine engines
Assignee: Individual
•
Filing: 1963-08-23
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Granted: 1965-06-15
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Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Henry J Barten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:02
CPC Classifications
B; B63; B63H; B63H7/00; B63H7/02; B63H20/00; B63H20/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN COMBINATION, FOR USE ON A BOAT, A MARINE ENGINE OF THE OUTBOARD TYPE ADAPTED TO BE MOUNTED ON THE BOAT AND HAVING A WATER PROPELLER DRIVE SHAFT PIVOTALLY CONNECTED THERETO FOR MOVEMENT INTO AND OUT OF THE WATER, A ROTATABLE AIR PROPELLER DRIVE SHAFT HAVING AN AIR PROPELLER MOUNTED THEREON AND ADAPTED FOR MOUNTING ON THE BOAT, AND FLEXIBLE POWER TRANSMITTING MEANS FOR OPERATIVELY CONNECTING SAID WATER PROPELLER DRIVE SHAFT TO SAID AIR PROPELLER DRIVE SHAFT FOR DRIVING SAID AIR PROPELLER, WHEREBY SAID ENGINE IS ADAPTED TO PROVIDE POWER FOR BOTH WATER AND AIR PROPULSION AND WHEREBY SAID WATER PROPELLER DRIVE SHAFT CAN BE PIVOTALLY MOVED OUT OF THE WATER DURING AIR PROPULSION OPERATION AND CAN BE MOVED INTO THE WATER DURING WATER PROPULSION OPERATION WHILE SAID FORCE TRANSMITTING MEANS IS CONNECTED BETWEEN SAID DRIVE SHAFTS.
Claim 2
Dependent Claim
137 words
IN COMBINATION, FOR USE ON A BOAT, A MARINE ENGINE OF THE OUTBOARD TYPE ADAPTED TO BE MOUNTED ON THE BOAT AND HAVING A WATER PROPELLER DRIVE SHAFT PIVOTALLY CONNECTED THERETO FOR MOVEMENT INTO AND OUT OF THE WATER, A ROTATABLE AIR PROPELLER DRIVE SHAFT HAVING AN AIR PROPELLER MOUNTED THEREON AND ADAPTED FOR MOUNTING ON THE BOAT, AND FLEXIBLE POWER TRANSMITTING MEANS FOR OPERATIVELY CONNECTING SAID WATER PROPELLER DRIVE SHAFT TO SAID AIR PROPELLER DRIVE SHAFT FOR DRIVING SAID AIR PROPELLER, WHEREBY SAID ENGINE IS ADAPTED TO PROVIDE POWER FOR BOTH WATER AND AIR PROPULSION AND WHEREBY SAID WATER PROPELLER DRIVE SHAFT CAN BE PIVOTALLY MOVED OUT OF THE WATER DURING AIR PROPULSION OPERATION AND CAN BE MOVED INTO THE WATER DURING WATER PROPULSION OPERATION WHILE SAID FORCE TRANSMITTING MEANS IS CONNECTED BETWEEN SAID DRIVE SHAFTS.
References Cited (Backward Citations)
US1180430A
Cited
US1450197A
Cited
US1443368A
Cited
US1834068A
Cited
US1823109A
Cited
US2839696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |