Patent US3131906A successfully refreshed from Google Patents.
US3131906A
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US
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Valve seat
Assignee: Orbit Valve Co
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Filing: 1960-11-17
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Granted: 1964-05-05
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Expires: 1980-11-17
Abstract
No abstract record available.
Inventors
- 👤 Rudy W King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:04
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/42; F16K1/422; F16K1/425; F16K5/00; F16K5/06; F16K5/0663; F16K5/0673; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49409
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A ONE PIECE INTEGRAL VALVE SEAT FOR PLACEMENT IN A VALVE HAVING A CORE FOR ENGAGEMENT THEREWITH COMPRISING, A TUBULAR BODY PORTION HAVING AN ANNULAR SEATING FACE ADJACENT EACH SIDE OF ANNULAR RECESS IN SAID BODY PORTION WHICH OPENS AT SEATING FACE, SAID RECESS IN PART DEFINED BY A FIRST ANNULAR GROOVE PORTION EXTENDING SUBSTANTIALLY PERPENDICULAR TO THE TUBULAR AXIS OF SAID BODY PORTION AND IN PART BY A SECOND ANNULAR GROOVE PORTION EXTENDING SUBSTANTIALLY PARALLEL TO THE SAID TUBULAR AXIS OF SAID BODY, SAID FIRST AND SECOND GROOVES INTERSECTING TO FORM SAID OPENING, AND A SEMI-ELASTOMERIC MATERIAL OF THE TYPE DESCRIBED POSITIONED WITHIN SAID RECESS AND ACROSS SAID OPENING TO FORM A CONTINUATION OF SAID ANNULAR SEATING FACE AND BECOME A PRIMARY SEATING FACE WHEN SAID CORE CONTACTS THEREAGAINST.
Claim 2
Dependent Claim
130 words
A ONE PIECE INTEGRAL VALVE SEAT FOR PLACEMENT IN A VALVE HAVING A CORE FOR ENGAGEMENT THEREWITH COMPRISING, A TUBULAR BODY PORTION HAVING AN ANNULAR SEATING FACE ADJACENT EACH SIDE OF ANNULAR RECESS IN SAID BODY PORTION WHICH OPENS AT SEATING FACE, SAID RECESS IN PART DEFINED BY A FIRST ANNULAR GROOVE PORTION EXTENDING SUBSTANTIALLY PERPENDICULAR TO THE TUBULAR AXIS OF SAID BODY PORTION AND IN PART BY A SECOND ANNULAR GROOVE PORTION EXTENDING SUBSTANTIALLY PARALLEL TO THE SAID TUBULAR AXIS OF SAID BODY, SAID FIRST AND SECOND GROOVES INTERSECTING TO FORM SAID OPENING, AND A SEMI-ELASTOMERIC MATERIAL OF THE TYPE DESCRIBED POSITIONED WITHIN SAID RECESS AND ACROSS SAID OPENING TO FORM A CONTINUATION OF SAID ANNULAR SEATING FACE AND BECOME A PRIMARY SEATING FACE WHEN SAID CORE CONTACTS THEREAGAINST.
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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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |