US3112707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Individual
•
Filing: 1962-11-30
•
Granted: 1963-12-03
•
Expires: 1982-11-30
Abstract
No abstract record available.
Inventors
- 👤 Norman A Keck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:18
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/36
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
A PUMP COMPRISING AN OUTBOARD MOTOR EQUIPPED WITH A PROPELLER AND A SHAFT FOR DRIVING THE PROPELLER, SAID SHAFT BEING ENCLOSED IN A FRAME STRUCTURE, A CYLINDER EXTENDING ABOUT SAID PROPELLER AND HAVING A SLOT INTO WHICH SAID FRAME STRUCTURE IS RECEIVED AS THE CYLINDER IS MOVED TO ENCLOSE THE PROPELLER, MEANS FOR FASTENING SAID CYLINDER TO SAID FRAME STRUCTURE, AND A TUBE HAVING ITS ONE END RECEIVED OVER AND ATTACHED TO THE REARWARD END OF SAID CYLINDER, WHEREBY LIQUID PROPELLED THROUGH SAID CYLINDER BY SAID PROPELLER IS PASSED THROUGH SAID TUBE AND DISCHARGED AT THE OTHER END THEREOF.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |