Patent US3171353A successfully refreshed from Google Patents.
US3171353A
Expired / Lapsed
US
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Centrifugal fluid pump
Assignee: Individual
•
Filing: 1962-02-27
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Granted: 1965-03-02
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Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 Kenton D Mcmahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:49
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D1/00; F04D1/06; F04D1/063; F04D1/066; F04D13/00; F04D13/02; F04D13/06; F04D17/00; F04D17/08; F04D17/10; F04D17/12; F04D17/122; F04D25/00; F04D25/02; F04D25/06; F04D25/0606; F04D25/08; F04D25/082; F04D29/58; F04D29/5806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A CENTRIFUGAL FLUID PUMP, COMPRISING AN IMPLELLER IN A PUMP STAGE, SAID PUMP HAVING AN AXIAL INLET FOR THE IMPELLER AND AN AXIAL OUTLET FOR SAID PUMP STAGE, AND MEANS FOR DIVIDING THE DISCHARGE OF THE IMPELLER INTO AN ODD NUMBER OF SEPARATE JETS OF EQUAL MAGNITUDE AND FOR DIRECTING SAID JETS RADIALLY INWARDLY TOWARDS SAID OUTLET WHILE MAINTAINING SAID JETS CIRCUMFERENTIALLY SPACED EQUALLY, SAID DIVIDING MEANS COMPRISING SEPARATE PASSAGEWAYS FOR SAID JETS RESPECTIVELY LEADING FROM THE DISCHARGE OF THE
Claim 2
Dependent Claim
80 words
A CENTRIFUGAL FLUID PUMP, COMPRISING AN IMPLELLER IN A PUMP STAGE, SAID PUMP HAVING AN AXIAL INLET FOR THE IMPELLER AND AN AXIAL OUTLET FOR SAID PUMP STAGE, AND MEANS FOR DIVIDING THE DISCHARGE OF THE IMPELLER INTO AN ODD NUMBER OF SEPARATE JETS OF EQUAL MAGNITUDE AND FOR DIRECTING SAID JETS RADIALLY INWARDLY TOWARDS SAID OUTLET WHILE MAINTAINING SAID JETS CIRCUMFERENTIALLY SPACED EQUALLY, SAID DIVIDING MEANS COMPRISING SEPARATE PASSAGEWAYS FOR SAID JETS RESPECTIVELY LEADING FROM THE DISCHARGE OF THE
References Cited (Backward Citations)
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Cited
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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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |