US3111137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gate valve
Assignee: Individual
•
Filing: 1962-05-24
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Granted: 1963-11-19
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Expires: 1982-05-24
Abstract
No abstract record available.
Inventors
- 👤 Carlin Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:00
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/22; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6065; Y10T137/6072; Y10T137/6075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A VALVE CONSTRUCTION COMPRISING A CYLINDRICAL BODY HAVING OPPOSITELY ALIGNED TUBULAR INLET AND OUTLET PASSAGES AND A BORE INTERSECTING SAID PASSAGES IN PERPENDICULAR RELATION THERETO, A REMOVABLE BODY HEAD CLOSING SAID BORE, A VALVE MEMBER VERTICALLY MOVABLE IN SAID BORE TO PASSAGE OPENING AND CLOSING POSITIONS, SAID VALVE MEMBER COMPRISING A FRUSTO-CONICAL VALVE MEMBER HAVING OPPOSED CONCAVED CUTAWAY PORTIONS ON OPPOSITE SIDES THEREOF ALONG THE AXIS FORMED BY SAID INLET AND OUTLET PASSAGES, THE CIRCUMFERENCE OF SAID CUTAWAY PORTIONS CONFORMING TO THE TAPER OF SAID FRUSTO-CONICAL VALVE MEMBER TO FORM VALVE SEATING SURFACES, SURROUNDING SAID CONCAVED CUTAWAY PORTIONS AND CIRCUMFERENTIALLY COINCIDING WITH SAID TUBULAR PASSAGES, THE CONCAVITY BEING TRANSVERSE OF SAID BORE AND EXTENDING ACROSS ITS ADJACENT PASSAGE, COOPERATING MEANS ON SAID VALVE MEMBER AND INTERIORLY OF SAID BODY FOR MAINTAINING SAID CONCAVED CUTAWAY PORTIONS IN ALIGNMENT WITH SAID PASSAGES, MEANS FOR SELECTIVELY MOVING SAID VALVE MEMBER TO PASSAGE OPENING OR CLOSING POSITION, SAID COOPERATING MEANS COMPRISING A PAIR OF OPPOSED SUBSTANTIALLY RECTANGULAR GUIDE RIBS POSITIONED IN SAID BODY IN RIGHT ANGULAR RELATION TO SAID PASSAGES, SAID
Claim 2
Dependent Claim
177 words
A VALVE CONSTRUCTION COMPRISING A CYLINDRICAL BODY HAVING OPPOSITELY ALIGNED TUBULAR INLET AND OUTLET PASSAGES AND A BORE INTERSECTING SAID PASSAGES IN PERPENDICULAR RELATION THERETO, A REMOVABLE BODY HEAD CLOSING SAID BORE, A VALVE MEMBER VERTICALLY MOVABLE IN SAID BORE TO PASSAGE OPENING AND CLOSING POSITIONS, SAID VALVE MEMBER COMPRISING A FRUSTO-CONICAL VALVE MEMBER HAVING OPPOSED CONCAVED CUTAWAY PORTIONS ON OPPOSITE SIDES THEREOF ALONG THE AXIS FORMED BY SAID INLET AND OUTLET PASSAGES, THE CIRCUMFERENCE OF SAID CUTAWAY PORTIONS CONFORMING TO THE TAPER OF SAID FRUSTO-CONICAL VALVE MEMBER TO FORM VALVE SEATING SURFACES, SURROUNDING SAID CONCAVED CUTAWAY PORTIONS AND CIRCUMFERENTIALLY COINCIDING WITH SAID TUBULAR PASSAGES, THE CONCAVITY BEING TRANSVERSE OF SAID BORE AND EXTENDING ACROSS ITS ADJACENT PASSAGE, COOPERATING MEANS ON SAID VALVE MEMBER AND INTERIORLY OF SAID BODY FOR MAINTAINING SAID CONCAVED CUTAWAY PORTIONS IN ALIGNMENT WITH SAID PASSAGES, MEANS FOR SELECTIVELY MOVING SAID VALVE MEMBER TO PASSAGE OPENING OR CLOSING POSITION, SAID COOPERATING MEANS COMPRISING A PAIR OF OPPOSED SUBSTANTIALLY RECTANGULAR GUIDE RIBS POSITIONED IN SAID BODY IN RIGHT ANGULAR RELATION TO SAID PASSAGES, SAID
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) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |