US3107922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slit-surfaced omicron-ring and its use
Assignee: Hamilton Kent Manufacturing Co
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Filing: 1961-03-10
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Granted: 1963-10-22
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 Tracy D Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:03
CPC Classifications
F; F16; F16L; F16L21/00; F16L21/02; F16L21/025; F16L17/00; F16L17/02; F16L17/025; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
THE COMBINATION OF TWO PIPES WITH AN ELASTOMERIC O-RING FORMING A SEAL IN A JOINT BETWEEN AN END OF THE FIRST PIPE WITHIN AN END OF THE SECOND PIPE, WHICH COMBINATION IS ADAPTED TO CONVEY FLUID UNDER PRESSURE, THE O-RING BEING GENERALLY CIRCULAR IN CROSS SECTION AND COMPRESSED BETWEEN THE TWO PIPE ENDS WITH ITS INNER SURFACE EXPOSED TO THE CONTENTS OF THE PIPES, THE IMPROVEMENT WHICH COMPRISES A SMALL NUMBER AND AT LEAST THREE, SUBSTANTIALLY EVENLY SPACED SLITS IN THE SURFACE OF THE O-RING WHICH EXTEND THROUGHOUT THE ENTIRE CIRCUIT OF THE O-RING, THE SPACE BETWEEN EACH TWO SLITS BEING CONSTANT THROUGHOUT THE WHOLE CIRCUIT OF THE O-RING, AND A PLURALITY OF SEPARATE OPENINGS WITHIN THE O-RING WHICH EXTEND THROUGHOUT THE CIRCUIT OF THE O-RING, EACH OF WHICH OPENINGS IS AT SUBSTANTIALLY THE SAME DISTANCE FROM THE CENTER OF THE RING THE OPENINGS BEING SUBSTANTIALLY EVENLY SPACED IN THE RING.
Claim 2
Dependent Claim
151 words
THE COMBINATION OF TWO PIPES WITH AN ELASTOMERIC O-RING FORMING A SEAL IN A JOINT BETWEEN AN END OF THE FIRST PIPE WITHIN AN END OF THE SECOND PIPE, WHICH COMBINATION IS ADAPTED TO CONVEY FLUID UNDER PRESSURE, THE O-RING BEING GENERALLY CIRCULAR IN CROSS SECTION AND COMPRESSED BETWEEN THE TWO PIPE ENDS WITH ITS INNER SURFACE EXPOSED TO THE CONTENTS OF THE PIPES, THE IMPROVEMENT WHICH COMPRISES A SMALL NUMBER AND AT LEAST THREE, SUBSTANTIALLY EVENLY SPACED SLITS IN THE SURFACE OF THE O-RING WHICH EXTEND THROUGHOUT THE ENTIRE CIRCUIT OF THE O-RING, THE SPACE BETWEEN EACH TWO SLITS BEING CONSTANT THROUGHOUT THE WHOLE CIRCUIT OF THE O-RING, AND A PLURALITY OF SEPARATE OPENINGS WITHIN THE O-RING WHICH EXTEND THROUGHOUT THE CIRCUIT OF THE O-RING, EACH OF WHICH OPENINGS IS AT SUBSTANTIALLY THE SAME DISTANCE FROM THE CENTER OF THE RING THE OPENINGS BEING SUBSTANTIALLY EVENLY SPACED IN THE 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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |