Patent US3667725A successfully refreshed from Google Patents.
US3667725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unstressed seats for between flange valves
Assignee: Balon Corp
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Filing: 1968-08-07
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Granted: 1972-06-06
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Expires: 1988-08-07
Abstract
Abstract AN IMPROVED VALVE WHEREIN A SEALING RING IS DISPOSED IN A COUNTER BORE IN THE VALVE BODY AND MAINTAINS SEALING ENGAGEMENT BETWEEN THE CONNECTING MEANS WHICH HOLDS THE VALVE IN ASSEMBLED RELATIONSHIP, AND THE VALVE BODY. THE SEALING RING IS ALSO IN ENGAGEMENT WITH A VALVE SEAT, SUCH THAT THE SEALING RING, DEFORMED BY THE CON- NECTING MEANS, BIASES THE SEAT TOWARD THE VALVE MEMBER, THEREBY ESTABLISHING THE INITIAL ENGAGEMENT BETWEEN THE SEAT AND THE VALVE MEMBER.
Inventors
- 👤 Domer Scaramucci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:36
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0626; F16K5/0631; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6031; Y10T137/6035; Y10T137/6038; Y10T137/6041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |