Patent US3304564A successfully refreshed from Google Patents.
US3304564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cleaning a body of liquid and maintaining its level
Assignee: Individual
•
Filing: 1965-10-04
•
Granted: 1967-02-21
•
Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 Green Jack
- 👤 Osgood Jack Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:38
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3112; Y10T137/8593; Y10T137/85946; Y10T137/87571; Y10T137/87587; Y10T137/87595
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
APPARATUS FOR REMOVING FOREIGN MATERIAL FROM A SUBMERGED SURFACE IN A BODY OF LIQUID, COMPRISING: (A) LIQUID PUMPING MEANS HAVING A POSITIVE PRESSURE OUTLET CONNECTION AND A SUCTION INLET CONNECTION; (B) MEANS INCLUDING A CONDUIT CONNECTED WITH SAID OUTLET AND HAVING ITS DISCHARGE END POSITIONED FOR DISCHARGING PRESSURIZED LIQUID TOWARDS THE SUBMERGED SURFACE TO DISLOGE THE FOREIGN MATERIAL; (C) MEANS FOR INJECTING A FLUID MEDIUM INTO THE FLOW FROM SAID POSITIVE PRESSURE OUTLET; AND (D) MEANS INCLUDING A CONDUIT CONNECTED WITH SAID INLET AND HAVING ITS INLET END SUBMERGED IN SAID BODY
Claim 2
Dependent Claim
92 words
APPARATUS FOR REMOVING FOREIGN MATERIAL FROM A SUBMERGED SURFACE IN A BODY OF LIQUID, COMPRISING: (A) LIQUID PUMPING MEANS HAVING A POSITIVE PRESSURE OUTLET CONNECTION AND A SUCTION INLET CONNECTION; (B) MEANS INCLUDING A CONDUIT CONNECTED WITH SAID OUTLET AND HAVING ITS DISCHARGE END POSITIONED FOR DISCHARGING PRESSURIZED LIQUID TOWARDS THE SUBMERGED SURFACE TO DISLOGE THE FOREIGN MATERIAL; (C) MEANS FOR INJECTING A FLUID MEDIUM INTO THE FLOW FROM SAID POSITIVE PRESSURE OUTLET; AND (D) MEANS INCLUDING A CONDUIT CONNECTED WITH SAID INLET AND HAVING ITS INLET END SUBMERGED IN SAID BODY
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |