Patent US2517436A successfully refreshed from Google Patents.
US2517436A
Expired / Lapsed
US
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Forming method and apparatus
Assignee: Individual
•
Filing: 1944-03-17
•
Granted: 1950-08-01
•
Expires: 1964-03-17
Abstract
No abstract record available.
Inventors
- 👤 Stewart H Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:58
CPC Classifications
B; B21; B21F; B21F11/00; B21F23/00; B21F35/00; B21F35/02; B21F45/00; B21F45/16; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/513; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1524; Y10T83/00; Y10T83/444; Y10T83/4539; Y10T83/4541; Y10T83/4554; Y10T83/4587
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) | 1953-07-31 | 1954-01-30 | 1954-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-31 | 1958-01-30 | 1958-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-31 | 1962-01-30 | 1962-08-01 | $7700.00 | Window Closed / Lapsed |