Patent US3085514A successfully refreshed from Google Patents.
US3085514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump cooling apparatus
Assignee: Weatherhead Co
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Filing: 1960-06-07
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Granted: 1963-04-16
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Expires: 1980-06-07
Abstract
No abstract record available.
Inventors
- 👤 Budzich Tadeusz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:15
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/02; F04; F04B; F04B1/00; F04B1/12; F04B1/122; F04B1/14; F04B1/141; F04B1/145; F04B1/146; F04B23/00; F04B23/04; F04B23/08; F04B23/10; F04B23/106; F04B23/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A PUMP INCLUDING A HOUSING, SAID HOUSING HAVING A FLUID CHAMBER THEREIN, A ROTATABLE SHAFT JOURNALED ON BEARING SURFACES IN SAID HOUSING, AN OUTLET FROM SAID HOUSING, VARIABLE DISPLACEMENT PUMP MEANS IN SAID HOUSING DRIVEN BY SAID ROTATABLE SHAFT TO PUMP FLUID FROM SAID FLUID CHAMBER THROUGH SAID OUTLET, A FLUID SUPPLY RESERVOIR, AN INLET TO SAID FLUID CHAMBER CONNECTED TO SAID RESERVOIR, A CENTRIFUGAL PUMP IN SAID HOUSING AND DRIVEN BY SAID ROTATABLE SHAFT TO PROVIDE A CONTINUOUS FLOW OF COOL FLUID THROUGH SAID FLUID CHAMBER AND TO THE BEARING SURFACES, SAID CENTRIFUGAL PUMP HAVING A SEPARATE INLET CONNECTED TO SAID RESERVOIR, SAID CENTRIFUGAL PUMP HAVING AN OUTLET
Claim 2
Dependent Claim
110 words
IN A PUMP INCLUDING A HOUSING, SAID HOUSING HAVING A FLUID CHAMBER THEREIN, A ROTATABLE SHAFT JOURNALED ON BEARING SURFACES IN SAID HOUSING, AN OUTLET FROM SAID HOUSING, VARIABLE DISPLACEMENT PUMP MEANS IN SAID HOUSING DRIVEN BY SAID ROTATABLE SHAFT TO PUMP FLUID FROM SAID FLUID CHAMBER THROUGH SAID OUTLET, A FLUID SUPPLY RESERVOIR, AN INLET TO SAID FLUID CHAMBER CONNECTED TO SAID RESERVOIR, A CENTRIFUGAL PUMP IN SAID HOUSING AND DRIVEN BY SAID ROTATABLE SHAFT TO PROVIDE A CONTINUOUS FLOW OF COOL FLUID THROUGH SAID FLUID CHAMBER AND TO THE BEARING SURFACES, SAID CENTRIFUGAL PUMP HAVING A SEPARATE INLET CONNECTED TO SAID RESERVOIR, SAID CENTRIFUGAL PUMP HAVING AN OUTLET
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |