US2886479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing ring and method of making same
Assignee: Clevite Corp
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Filing: 1955-08-02
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Granted: 1959-05-12
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Expires: 1975-08-02
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Riedel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:59
CPC Classifications
F; F16; F16J; F16J9/00; Y; Y10; Y10S; Y10S277/00; Y10S277/922; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1082; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49274; Y10T29/49284; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN THE METHOD OF MAKING A SEALING RING, THE STEPS OF: PROVIDING TWO SOLID RINGS EACH HAVING A SMOOTH FACE, APPLYING AN ADHESIVE TO APORTION ONLY OF AT LEAST ONE OF SAID SMOOTH FACES, CEMENTING SAID TWO RINGS TOGETHER FACE-TO-FACE OVER THE AREA COVERED BY SAID ADHESIVE LEAVING AN AREA THROUGHOUT WHICH THE RINGS ARE NOT CEMENTED TOGETHER, SEVERING ONE OF SAID RINGS FROM AN OUTER FACE TO ITS CEMENTED FACE AT A LOCATION ADJACENT ONE END OF SAID UNCEMENTED AREA, AND SEVERING THE OTHER OF SAID RINGS FROM AN OUTER FACE TO ITS CEMENTED FACE ATA A LOCATION ADJACENT THE OTHER END OF SAID UNCEMENTED AREA.
Claim 2
Dependent Claim
107 words
IN THE METHOD OF MAKING A SEALING RING, THE STEPS OF: PROVIDING TWO SOLID RINGS EACH HAVING A SMOOTH FACE, APPLYING AN ADHESIVE TO APORTION ONLY OF AT LEAST ONE OF SAID SMOOTH FACES, CEMENTING SAID TWO RINGS TOGETHER FACE-TO-FACE OVER THE AREA COVERED BY SAID ADHESIVE LEAVING AN AREA THROUGHOUT WHICH THE RINGS ARE NOT CEMENTED TOGETHER, SEVERING ONE OF SAID RINGS FROM AN OUTER FACE TO ITS CEMENTED FACE AT A LOCATION ADJACENT ONE END OF SAID UNCEMENTED AREA, AND SEVERING THE OTHER OF SAID RINGS FROM AN OUTER FACE TO ITS CEMENTED FACE ATA A LOCATION ADJACENT THE OTHER END OF SAID UNCEMENTED AREA.
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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |