Patent US3298362A successfully refreshed from Google Patents.
Patent US3215441A successfully refreshed from Google Patents.
US3215441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient seal and distortion controlling means therefor
Assignee: Precision Associates Inc
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Filing: 1962-05-17
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Granted: 1965-11-02
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Expires: 1982-05-17
Abstract
No abstract record available.
Inventors
- 👤 Wells J Horvereid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:38
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A SEALING RING ASSEMBLY COMPRISING A FIRST MEMBER HAVING A SURFACE TO BE SEALED, A SECOND MEMBER HAVING A SURFACE CONFRONTING THAT OF SAID FIRST MEMBER AND ADAPTED TO BE SEALABLY ENGAGED THEREWITH, AN ANNULAR GROOVE FORMED IN THE SURFACE OF ONE OF SAID MEMBERS, A RESILIENTLY DISTORTABLE SEAL RING HAVING AN ANNULAR BODY WHICH, IN CROSS-SECTION, INCLUDES A PAIR OF OUTWARDLY OPPOSED STATIC PRESSURE SIDES AND A SLIDING PRESSURE SIDE EXTENDING FROM ONE OF THE STATIC PRESSURE SIDES TO THE OTHER, SAID SLIDING PRESSURE SIDE LYING IN CONTACT WITH THE SURFACE OF SAID FIRST MEMBER, THE CROSS-SECTION OF SAID SEALING RING DEFINING FOUR OUTWARDLY PROJECTING AND DIVERGENTLY ANGULATED CORNER-POSITIONED SEALING LIPS, EACH OF SAID STATIC PRESSURE SIDES HAVING A PAIR OF SAID CORNER-
Claim 2
Dependent Claim
124 words
A SEALING RING ASSEMBLY COMPRISING A FIRST MEMBER HAVING A SURFACE TO BE SEALED, A SECOND MEMBER HAVING A SURFACE CONFRONTING THAT OF SAID FIRST MEMBER AND ADAPTED TO BE SEALABLY ENGAGED THEREWITH, AN ANNULAR GROOVE FORMED IN THE SURFACE OF ONE OF SAID MEMBERS, A RESILIENTLY DISTORTABLE SEAL RING HAVING AN ANNULAR BODY WHICH, IN CROSS-SECTION, INCLUDES A PAIR OF OUTWARDLY OPPOSED STATIC PRESSURE SIDES AND A SLIDING PRESSURE SIDE EXTENDING FROM ONE OF THE STATIC PRESSURE SIDES TO THE OTHER, SAID SLIDING PRESSURE SIDE LYING IN CONTACT WITH THE SURFACE OF SAID FIRST MEMBER, THE CROSS-SECTION OF SAID SEALING RING DEFINING FOUR OUTWARDLY PROJECTING AND DIVERGENTLY ANGULATED CORNER-POSITIONED SEALING LIPS, EACH OF SAID STATIC PRESSURE SIDES HAVING A PAIR OF SAID CORNER-
References Cited (Backward Citations)
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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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |