US3198132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Warren Pumps LLC
•
Filing: 1964-01-17
•
Granted: 1965-08-03
•
Expires: 1984-01-17
Abstract
No abstract record available.
Inventors
- 👤 Albert A Zalis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:13
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/16; F04C2240/00; F04C2240/60; F04C2240/605
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A PUMP, COMPRISING (A) A HOUSING HAVING AN INTERNAL CHAMBER AND A BORE EXTENDING FROM THE CHAMBER TO THE EXERIOR OF THE HOUSING, (B) A SHAFT RESIDING IN THE BORE AND HAVING PUMPING ELEMENTS WHICH RESIDE IN THE CHAMBER, (C) A BUSHING RESIDING IN THE BORE AND EXTENDING BETWEEN THE BORE AND THE SHAFT, THE BUSHING HAVING A COOLING PASSAGE THERETHROUGH TERMINATING AT ONE END IN A FLUSHING GROOVE WHICH LIES AGAINST THE SURFACE OF THE SHAFT, AND (D) MEANS SUPPLYING A COOLING AND FLUSING FLUID TO THE OTHER END OF THE PASSAGE, THE BUSHING BEING
Claim 2
Dependent Claim
96 words
A PUMP, COMPRISING (A) A HOUSING HAVING AN INTERNAL CHAMBER AND A BORE EXTENDING FROM THE CHAMBER TO THE EXERIOR OF THE HOUSING, (B) A SHAFT RESIDING IN THE BORE AND HAVING PUMPING ELEMENTS WHICH RESIDE IN THE CHAMBER, (C) A BUSHING RESIDING IN THE BORE AND EXTENDING BETWEEN THE BORE AND THE SHAFT, THE BUSHING HAVING A COOLING PASSAGE THERETHROUGH TERMINATING AT ONE END IN A FLUSHING GROOVE WHICH LIES AGAINST THE SURFACE OF THE SHAFT, AND (D) MEANS SUPPLYING A COOLING AND FLUSING FLUID TO THE OTHER END OF THE PASSAGE, THE BUSHING BEING
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |