Patent US2053018A successfully refreshed from Google Patents.
Patent US3311342A successfully refreshed from Google Patents.
US3311342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sleeve-type line valve
Assignee: Individual
•
Filing: 1966-01-26
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Granted: 1967-03-28
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Expires: 1986-01-26
Abstract
No abstract record available.
Inventors
- 👤 Jorgen D Bering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:31
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/12; F16K1/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A SLEEVE-TYPE VALVE COMPRISING A FIRST CONDUIT HAVING A FIRST CYLINDRICAL EXTERIOR AND AN END TERMINUS, A PLUG FIXED RELATIVE TO SAID FIRST CONDUIT HAVING A FIRST VALVE SEAT ON THE EXTERIOR OF SAID PLUG, A FIRST SPACER FIXED TO SAID FIRST CONDUIT AND TO SAID PLUG SPACING SAID PLUG AWAY FROM SAID END TERMINUS OF SAID CONDUIT; A SLEEVE HAVING A FIRST END SLIDABLE OVER SAID FIRST CYLINDRICAL EXTERIOR, AN ENLARGED INTERNAL DIAMETER CENTRAL PORTION AND A SECOND END OF DIAMETER LESS THAN SAID CENTRAL PORTION AND FORMED WITH AN INTERNAL SECOND SEAT COOPERABLE WITH SAID FIRST SEAT TO CLOSE SAID VALVE WHEN SAID SLEEVE IS MOVED TOWARD SAID FIRST CONDUIT AND TO OPEN SAID VALVE WHEN SAID SLEEVE IS MOVED AWAY FROM SAID FIRST CONDUIT, SAID PLUG HAVING AN ENLARGED DIAMETER SUBSTANTIALLY EQUAL TO THE EXTERIOR OF SAID FIRST CONDUIT AND SAID SLEEVE BEING INTERNALLY DIMENSIONED SO THAT THE SPACE BETWEEN SAID PLUG AND THE INTERIOR OF SAID SLEEVE ON THE SIDE OF SAID SEATS TOWARD SAID CONDUIT IS SUBSTANTIALLY AS GREAT AS THE INTERNAL AREA OF SAID CONDUIT; A SECOND CONDUIT HAVING A SECOND CYLINDRICAL
Claim 2
Dependent Claim
188 words
A SLEEVE-TYPE VALVE COMPRISING A FIRST CONDUIT HAVING A FIRST CYLINDRICAL EXTERIOR AND AN END TERMINUS, A PLUG FIXED RELATIVE TO SAID FIRST CONDUIT HAVING A FIRST VALVE SEAT ON THE EXTERIOR OF SAID PLUG, A FIRST SPACER FIXED TO SAID FIRST CONDUIT AND TO SAID PLUG SPACING SAID PLUG AWAY FROM SAID END TERMINUS OF SAID CONDUIT; A SLEEVE HAVING A FIRST END SLIDABLE OVER SAID FIRST CYLINDRICAL EXTERIOR, AN ENLARGED INTERNAL DIAMETER CENTRAL PORTION AND A SECOND END OF DIAMETER LESS THAN SAID CENTRAL PORTION AND FORMED WITH AN INTERNAL SECOND SEAT COOPERABLE WITH SAID FIRST SEAT TO CLOSE SAID VALVE WHEN SAID SLEEVE IS MOVED TOWARD SAID FIRST CONDUIT AND TO OPEN SAID VALVE WHEN SAID SLEEVE IS MOVED AWAY FROM SAID FIRST CONDUIT, SAID PLUG HAVING AN ENLARGED DIAMETER SUBSTANTIALLY EQUAL TO THE EXTERIOR OF SAID FIRST CONDUIT AND SAID SLEEVE BEING INTERNALLY DIMENSIONED SO THAT THE SPACE BETWEEN SAID PLUG AND THE INTERIOR OF SAID SLEEVE ON THE SIDE OF SAID SEATS TOWARD SAID CONDUIT IS SUBSTANTIALLY AS GREAT AS THE INTERNAL AREA OF SAID CONDUIT; A SECOND CONDUIT HAVING A SECOND CYLINDRICAL
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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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |