US2660780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for assembling an elastic tubular rubber insert under radial compression between an outer rigid tube and an inner rigid core
Assignee: Aerojet Rocketdyne Holdings Inc
•
Filing: 1948-11-26
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Granted: 1953-12-01
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Expires: 1968-11-26
Abstract
No abstract record available.
Inventors
- 👤 Howard G Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:52
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/28; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53657; Y10T29/53796; Y10T29/5383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |