US2690001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for assembling an elastic tubular rubber insert under radialcompression between a rigid outer tube and an inner rigid core
Assignee: Aerojet Rocketdyne Holdings Inc
•
Filing: 1948-11-26
•
Granted: 1954-09-28
•
Expires: 1968-11-26
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Cowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:47
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |