Patent US2549429A successfully refreshed from Google Patents.
US2549429A
Expired / Lapsed
US
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Clamp frame press
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1947-06-12
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Granted: 1951-04-17
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Expires: 1967-06-12
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Cowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:09
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/06; B25B27/062; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53848; Y10T29/53852
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US910961A
Cited
US2031797A
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US2167897A
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US2121085A
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US2235643A
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US2350675A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |