Patent US2579753A successfully refreshed from Google Patents.
US2579753A
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US
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Punching and forming mechanism
Assignee: Individual
•
Filing: 1944-11-28
•
Granted: 1951-12-25
•
Expires: 1964-11-28
Abstract
No abstract record available.
Inventors
- 👤 Glenn H Norquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:49
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/496; Y10T29/51; Y10T29/5116
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) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |