US3462331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for molding sealing gaskets
Assignee: WR Grace and Co
•
Filing: 1966-04-06
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Granted: 1969-08-19
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Expires: 1986-04-06
Abstract
No abstract record available.
Inventors
- 👤 Charles W Simons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:12
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/78; B29C70/80; B05; B05D; B05D1/00; B05D1/28; B29C31/00; B29C31/04; B29C43/00; B29C43/32; B29C43/34; B29C43/02; B29C43/14; B29C43/146; B29C2043/147; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/107; Y10T156/1072
Claims Analysis
Total Claims: 0
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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) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |