Patent US3120192A successfully refreshed from Google Patents.
US3120192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand pump for transferring liquids
Assignee: Individual
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Filing: 1961-12-22
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Granted: 1964-02-04
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Winchell Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:24
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/14; F04B43/00; F04B43/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A PUMP FOR TRANSFERRING LIQUID FROM THE TANK OF ONE VEHICLE TO THE TANK OF ANOTHER VEHICLE, COMPRISING A BELLOWS-SHAPED CASING HAVING RIGID SIDES, FLEXIBLE ENDS, FLEXIBLE TOP AND FLEXIBLE BOTTOM, A TUBULAR INLET ON ONE OF THE RIGID SIDES, A TUBULAR OUTLET ON THE OTHER OF THE RIGID SIDES, A SUPPLY HOSE SLEEVED AROUND THE TUBULAR INLET, A DISCHARGE HOSE SLEEVED AROUND THE TUBULAR OUTLET, VALVE MEANS IN THE SLEEVED END OF THE INLET HOSE ACTUATED BY SUCTION IN THE CASING AND BY THE FORCE OF THE LIQUID IN THE INLET HOSE UPON EXPANSION OF THE CASING, VALVE MEANS IN THE SLEEVED END OF THE DISCHARGE HOSE OPERABLE BY THE MOVEMENT OF THE LIQUID FROM THE CASING UPON CONTRACTION THEREOF, A MOTOR ACTUATED ELLIPTICAL ROLLER MOUNTED INSIDE THE CASING AND IN ROLLING ENGAGEMENT WITH THE SIDES THEREOF FOR EXPANDING THE CASING, AND A SPRING PLATE OPERATIVELY CONNECTED TO THE SIDES OF THE CASING FOR CONTRACTING THE CASING.
Claim 2
Dependent Claim
158 words
A PUMP FOR TRANSFERRING LIQUID FROM THE TANK OF ONE VEHICLE TO THE TANK OF ANOTHER VEHICLE, COMPRISING A BELLOWS-SHAPED CASING HAVING RIGID SIDES, FLEXIBLE ENDS, FLEXIBLE TOP AND FLEXIBLE BOTTOM, A TUBULAR INLET ON ONE OF THE RIGID SIDES, A TUBULAR OUTLET ON THE OTHER OF THE RIGID SIDES, A SUPPLY HOSE SLEEVED AROUND THE TUBULAR INLET, A DISCHARGE HOSE SLEEVED AROUND THE TUBULAR OUTLET, VALVE MEANS IN THE SLEEVED END OF THE INLET HOSE ACTUATED BY SUCTION IN THE CASING AND BY THE FORCE OF THE LIQUID IN THE INLET HOSE UPON EXPANSION OF THE CASING, VALVE MEANS IN THE SLEEVED END OF THE DISCHARGE HOSE OPERABLE BY THE MOVEMENT OF THE LIQUID FROM THE CASING UPON CONTRACTION THEREOF, A MOTOR ACTUATED ELLIPTICAL ROLLER MOUNTED INSIDE THE CASING AND IN ROLLING ENGAGEMENT WITH THE SIDES THEREOF FOR EXPANDING THE CASING, AND A SPRING PLATE OPERATIVELY CONNECTED TO THE SIDES OF THE CASING FOR CONTRACTING THE CASING.
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) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |