US2663033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic pull-off or yoke operated die head
Assignee: Sheffield Corp
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Filing: 1948-12-22
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Granted: 1953-12-22
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Expires: 1968-12-22
Abstract
No abstract record available.
Inventors
- 👤 Charles H Laemmel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:40
CPC Classifications
B; B23; B23G; B23G5/00; B23G5/08; B23G5/10; B23G5/12; Y; Y10; Y10T; Y10T408/00; Y10T408/73; Y10T408/75; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8588; Y10T408/85892; Y10T408/85894
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |