US2986911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sealing device
Assignee: Solutia Inc
•
Filing: 1958-04-14
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Granted: 1961-06-06
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Expires: 1978-04-14
Abstract
No abstract record available.
Inventors
- 👤 Robert C Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:38
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/168; D; D01; D01D; D01D10/00; D01D10/02; D01D10/04; D01D10/0436; D06; D06B; D06B23/00; D06B23/14; D06B23/18
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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |