US3137282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering valve with pin
Assignee: Individual
•
Filing: 1962-08-23
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Granted: 1964-06-16
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Expires: 1982-08-23
Abstract
No abstract record available.
Inventors
- 👤 Voorhies Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:09
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/22; F01L1/24; F01L1/245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A HYDRAULIC TAPPET INCLUDING A HOLLOW CYLINDER CLOSED AT ONE END, A PLUNGER MOUNTED FOR RECIPROCATION WITHIN SAID CYLINDER AND HAVING AN OIL CHAMBER THEREIN, ONE END OF SAID OIL CHAMBER BEING OPEN, A CLOSURE ELEMENT MOUNTED ON SAID PLUNGER AND CLOSING SAID OIL CHAMBER OPEN END, AN OIL PASSAGE IN SAID CLOSURE ELEMENT OPENING INTO SAID CHAMBER, AND A PIN COAXIALLY DISPOSED WITH RESPECT TO SAID PLUNGER AND POSITIONED IN SAID PASSAGE FOR CONTROLLING THE FLOW OF OIL THERETHROUGH, SAID PIN BEING SMALLER IN CROSS SECTION THAN SAID PASSAGE AND MEANS ON AT LEAST ONE END OF SAID PIN FOR LOOSELY FIXING SAID PIN TO SAID CLOSURE ELEMENT.
Claim 2
Dependent Claim
109 words
A HYDRAULIC TAPPET INCLUDING A HOLLOW CYLINDER CLOSED AT ONE END, A PLUNGER MOUNTED FOR RECIPROCATION WITHIN SAID CYLINDER AND HAVING AN OIL CHAMBER THEREIN, ONE END OF SAID OIL CHAMBER BEING OPEN, A CLOSURE ELEMENT MOUNTED ON SAID PLUNGER AND CLOSING SAID OIL CHAMBER OPEN END, AN OIL PASSAGE IN SAID CLOSURE ELEMENT OPENING INTO SAID CHAMBER, AND A PIN COAXIALLY DISPOSED WITH RESPECT TO SAID PLUNGER AND POSITIONED IN SAID PASSAGE FOR CONTROLLING THE FLOW OF OIL THERETHROUGH, SAID PIN BEING SMALLER IN CROSS SECTION THAN SAID PASSAGE AND MEANS ON AT LEAST ONE END OF SAID PIN FOR LOOSELY FIXING SAID PIN TO SAID CLOSURE ELEMENT.
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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |