US3127845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump design
Assignee: Individual
•
Filing: 1960-10-03
•
Granted: 1964-04-07
•
Expires: 1980-10-03
Abstract
No abstract record available.
Inventors
- 👤 Carl S Voelcker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:49
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/08; F02; F02M; F02M59/00; F04B43/0009; F04B43/0081; F04B43/009; F02M2700/00; F02M2700/13; F02M2700/1317; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7927; Y10T137/7928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A HIGH-PRESSURE METERING PUMP COMPRISING A HOUSING, A FIRST TUBULAR ELEMENT MADE OF AN INCOMPRESSIBLE FLEXIBLE ELASTOMER, A SECOND TUBULAR ELEMENT MADE OF AN INCOMPRESSIBLE FLEXIBLE ELASTOMER SURROUNDING SAID FIRST TUBULAR ELEMENT AND CONTAINED WITHIN SAID HOUSING, A RECIPROCALLY MOVABLE PLUNGER EXTENDING THROUGH A SIDE WALL OF SAID HOUSING AND ENGAGING SAID SECOND TUBULAR ELEMENT, PLUNGER MOVING MEANS, AN INLET CHECK VALVE MEANS AT ONE END OF SAID HOUSING AND CLOSING ONE END OF SAID FIRST TUBULAR ELEMENT, AND AN OUTLET CHECK VALVE MEANS AT THE OTHER END OF SAID HOUSING ENCLOSING THE OTHER END OF SAID FIRST TUBULAR ELEMENT; SAID HOUSING AND SAID PLUNGER ENGAGING AND CONFINING THE ENTIRE OUTER SURFACE OF SAID SECOND TUBULAR ELEMENT.
Claim 2
Dependent Claim
117 words
A HIGH-PRESSURE METERING PUMP COMPRISING A HOUSING, A FIRST TUBULAR ELEMENT MADE OF AN INCOMPRESSIBLE FLEXIBLE ELASTOMER, A SECOND TUBULAR ELEMENT MADE OF AN INCOMPRESSIBLE FLEXIBLE ELASTOMER SURROUNDING SAID FIRST TUBULAR ELEMENT AND CONTAINED WITHIN SAID HOUSING, A RECIPROCALLY MOVABLE PLUNGER EXTENDING THROUGH A SIDE WALL OF SAID HOUSING AND ENGAGING SAID SECOND TUBULAR ELEMENT, PLUNGER MOVING MEANS, AN INLET CHECK VALVE MEANS AT ONE END OF SAID HOUSING AND CLOSING ONE END OF SAID FIRST TUBULAR ELEMENT, AND AN OUTLET CHECK VALVE MEANS AT THE OTHER END OF SAID HOUSING ENCLOSING THE OTHER END OF SAID FIRST TUBULAR ELEMENT; SAID HOUSING AND SAID PLUNGER ENGAGING AND CONFINING THE ENTIRE OUTER SURFACE OF SAID SECOND TUBULAR ELEMENT.
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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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |