US3362129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
All-metal seal and method of forming same
Assignee: United States Department of the Army
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Filing: 1967-01-31
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Granted: 1968-01-09
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Expires: 1987-01-31
Abstract
No abstract record available.
Inventors
- 👤 Robert T Scherer
- 👤 Philip C Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:01
CPC Classifications
F; F42; F42B; F42B30/00; F42B30/08; F42B12/00; F42B12/02; F42B12/36; F42B12/46; F42B12/50
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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |