Patent US3130016A successfully refreshed from Google Patents.
Patent US3136257A successfully refreshed from Google Patents.
US3136257A
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Oscillating pump impeller
Assignee: Gorman Rupp Industries Inc
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Filing: 1961-10-26
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Granted: 1964-06-09
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Expires: 1981-10-26
Abstract
No abstract record available.
Inventors
- 👤 Edward M Smith
- 👤 Iii John A Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:14
CPC Classifications
F; F04; F04F; F04F7/00; F04B; F04B17/00; F04B17/03; F04B17/04; F04B17/046; F04B53/00; F04B53/10; F04B53/12; F04B53/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A TUBULAR FLUDI IMPELLER FOR AN OSCILLATING PUMP COMPRISING, AN INLET, AN OUTLET, TWO AXIALLY EXPANSIBLE PORTIONS BETWEEN SAID INLET AND SAID OUTLET, A MEDIAL PORTION BETWEEN SAID EXPANSIBLE PORTIONS ADAPTED TO BE AXIALLY OSCILLATED, SAID MEDIAL PORTION HAVING INTERIOR WALLS DEFINING A PASSAGE THERETHROUGH, A TRANSVERSE INTEGRAL SPINE IN SAID INTERMEDIATE PORTION, AND INTEGRAL RESILIENT WINGS EXTENDING DIVERGENTLY OUTWARDLY FROM SAID SPINE TOWARD SAID OUTLET AND ADAPTED TO SEALINGLY ABUT SAID INTERIOR WALLS AS SAID INTERMEDIATE PORTION IS OSCILLATED IN THE DIRECTION OF SAID OUTLET.
Claim 2
Dependent Claim
86 words
A TUBULAR FLUDI IMPELLER FOR AN OSCILLATING PUMP COMPRISING, AN INLET, AN OUTLET, TWO AXIALLY EXPANSIBLE PORTIONS BETWEEN SAID INLET AND SAID OUTLET, A MEDIAL PORTION BETWEEN SAID EXPANSIBLE PORTIONS ADAPTED TO BE AXIALLY OSCILLATED, SAID MEDIAL PORTION HAVING INTERIOR WALLS DEFINING A PASSAGE THERETHROUGH, A TRANSVERSE INTEGRAL SPINE IN SAID INTERMEDIATE PORTION, AND INTEGRAL RESILIENT WINGS EXTENDING DIVERGENTLY OUTWARDLY FROM SAID SPINE TOWARD SAID OUTLET AND ADAPTED TO SEALINGLY ABUT SAID INTERIOR WALLS AS SAID INTERMEDIATE PORTION IS OSCILLATED IN THE DIRECTION OF SAID OUTLET.
References Cited (Backward Citations)
US586688A
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FR850942A
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US2853766A
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US2786261A
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FR1157507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |