US2718048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for deforming hollow members
Assignee: American Steel Foundries
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Filing: 1949-01-25
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Granted: 1955-09-20
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Expires: 1969-01-25
Abstract
No abstract record available.
Inventors
- 👤 Robert K Sedgwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:39
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/88; B21D53/90; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1000574A
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US1945076A
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US2188316A
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US2292462A
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US2372917A
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US2344779A
Cited
US2407855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |