US2903038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and tool for smoothing formed sheet metal
Assignee: Rohr Inc
•
Filing: 1955-08-12
•
Granted: 1959-09-08
•
Expires: 1975-08-12
Abstract
No abstract record available.
Inventors
- 👤 Hubert S Gober
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:22
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/06; B21D11/00; B21D11/02
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) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |