US2967640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plugs or closures
Assignee: Mission Systems Wimborne Ltd
•
Filing: 1958-01-27
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Granted: 1961-01-10
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Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Roberts Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:51
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/11; F16L55/1133; F16J; F16J13/00; F16J13/02; F16J13/08; G; G21; G21C; G21C13/00; G21C13/02; G21C13/06; G21C13/067; Y; Y02; Y02E; Y02E30/00; Y02E30/30
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) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |