US3310283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure seal groove
Assignee: Individual
•
Filing: 1965-08-23
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Granted: 1967-03-21
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Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Sydney E Carlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:35
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN A GROOVE RETAINING AN O-RING SEAL OF STATED DIAMETER FOR SLIDING SEALING POSITION WITH AN OPPOSED SURFACE, THE COMBINATION OF A SURFACE TO BE SEALED, A GROOVE IN SAID SURFACE HAVING A DEPTH OF LESS THAN THE DIAMETER OF THE O-RING, UNDERCUT SYMMETRICAL SIDE WALLS HAVING THE UPPER PORTION CUT ON THE SAME CURVATURE AND CENTER AS THE O-RING AND THE REMAINDER CUT ON A LARGER ARC WITH A LOWER CENTER THAN THE O-RING CENTER LEAVING A TRANSVERSE PEAK AT THE INTERSECTION OF SAID CURVES, AND A GROOVE OPENING OF A WIDTH LESS THAN THE DIAMETER OF THE O-RING.
Claim 2
Dependent Claim
100 words
IN A GROOVE RETAINING AN O-RING SEAL OF STATED DIAMETER FOR SLIDING SEALING POSITION WITH AN OPPOSED SURFACE, THE COMBINATION OF A SURFACE TO BE SEALED, A GROOVE IN SAID SURFACE HAVING A DEPTH OF LESS THAN THE DIAMETER OF THE O-RING, UNDERCUT SYMMETRICAL SIDE WALLS HAVING THE UPPER PORTION CUT ON THE SAME CURVATURE AND CENTER AS THE O-RING AND THE REMAINDER CUT ON A LARGER ARC WITH A LOWER CENTER THAN THE O-RING CENTER LEAVING A TRANSVERSE PEAK AT THE INTERSECTION OF SAID CURVES, AND A GROOVE OPENING OF A WIDTH LESS THAN THE DIAMETER OF THE O-RING.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |