US3208399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ejector pump
Assignee: Individual
•
Filing: 1963-10-14
•
Granted: 1965-09-28
•
Expires: 1983-10-14
Abstract
No abstract record available.
Inventors
- 👤 Howard R Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:51
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/44; F04F5/46; F04F5/464
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
AN EJECTOR PUMP INCLUDING A VENTURI, A NOZZLE BELOW SAID VENTURI, A DISCHARGE LINE COUPLER ABOVE SAID VENTURI, CLEARING MEANS TO CLEAR DEBRIS FROM SAID NOZZLE, SAID CLEARING MEANS COMPRISING A REAMER CARRYING MEANS WITHIN SAID VENTURI AND SAID DISCHARGE LINE COUPLER, A REAMER ON SAID REAMER CARRYING MEANS, AN APERTURE IN SAID NOZZLE REAMER LIFTING MEANS, REAMER RETURN MEANS, SAID CLEARING MEANS BEING OPERATED BY THE OPERATION OF SAID PUMP, SAID REAMER CARRYING MEANS COMPRISING AN ELONGATED GENERALLY CYLINDRICAL VERTICAL PLUNGER WITH AN UPPER END AND A LOWER END AND PASSING AT LEAST PARTIALLY THROUGH SAID A LOWER END AND PASSING AT LEAST PARTIALLY THROUGH SAID OF SAID PLUNGER, SAID POINT PASSING AT LEAST PARTIALLY THROUGH SAID NOZZLE APERTURE, SAID PLUNGER BEING SUPPORTED FOR VERTICAL MOVEMENT WITHIN SAID VENTURI, SID REAMER RETURN MEANS COMPRISING A WEIGHT AFFIXED TO SAID UPPER END OF SAID PLUNGER, AND SAID REAMER LIFTING MEANS BEING THE LOWER SURFACE OF SAID WEIGHT, SAID WEIGHT HAVING A DIAMETER GREATER THAN THAT OF SAID PLUNGER, WHEREBY WATER FLOWING UPWARD THROUGH SAID NOZZLE APERTURE AND SAID VENTURI IMPINGES ON SAID LOWER SURFACE OF SAID WEIGHT.
Claim 2
Dependent Claim
187 words
AN EJECTOR PUMP INCLUDING A VENTURI, A NOZZLE BELOW SAID VENTURI, A DISCHARGE LINE COUPLER ABOVE SAID VENTURI, CLEARING MEANS TO CLEAR DEBRIS FROM SAID NOZZLE, SAID CLEARING MEANS COMPRISING A REAMER CARRYING MEANS WITHIN SAID VENTURI AND SAID DISCHARGE LINE COUPLER, A REAMER ON SAID REAMER CARRYING MEANS, AN APERTURE IN SAID NOZZLE REAMER LIFTING MEANS, REAMER RETURN MEANS, SAID CLEARING MEANS BEING OPERATED BY THE OPERATION OF SAID PUMP, SAID REAMER CARRYING MEANS COMPRISING AN ELONGATED GENERALLY CYLINDRICAL VERTICAL PLUNGER WITH AN UPPER END AND A LOWER END AND PASSING AT LEAST PARTIALLY THROUGH SAID A LOWER END AND PASSING AT LEAST PARTIALLY THROUGH SAID OF SAID PLUNGER, SAID POINT PASSING AT LEAST PARTIALLY THROUGH SAID NOZZLE APERTURE, SAID PLUNGER BEING SUPPORTED FOR VERTICAL MOVEMENT WITHIN SAID VENTURI, SID REAMER RETURN MEANS COMPRISING A WEIGHT AFFIXED TO SAID UPPER END OF SAID PLUNGER, AND SAID REAMER LIFTING MEANS BEING THE LOWER SURFACE OF SAID WEIGHT, SAID WEIGHT HAVING A DIAMETER GREATER THAN THAT OF SAID PLUNGER, WHEREBY WATER FLOWING UPWARD THROUGH SAID NOZZLE APERTURE AND SAID VENTURI IMPINGES ON SAID LOWER SURFACE OF SAID WEIGHT.
References Cited (Backward Citations)
US2246678A
Cited
US2319509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |