Patent US3068313A successfully refreshed from Google Patents.
US3068313A
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US
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High pressure mechanical seal gasket
Assignee: Union Carbide Corp
•
Filing: 1958-11-19
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Granted: 1962-12-11
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Expires: 1978-11-19
Abstract
No abstract record available.
Inventors
- 👤 John L S Daley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:56
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/10; H01M50/147; H01M50/166; H01M50/171; H01M50/102; H01M50/107; H01M50/183; H01M50/184; H01M50/186; H01M50/19; H01M50/193; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2606941A
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US2665329A
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US2633062A
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US2495247A
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US2611793A
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US2717792A
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US2717024A
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US2712565A
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US2843650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |