US2654413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansible mandrel
Assignee: Rohr Inc
•
Filing: 1951-03-24
•
Granted: 1953-10-06
•
Expires: 1971-03-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Weidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:41
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/08; B21D39/20; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1037; Y10T279/1041; Y10T279/1045; Y10T279/1054; Y10T82/00; Y10T82/26; Y10T82/266; Y10T82/268
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2350410A
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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) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |