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US3406924A
Expired / Lapsed
US
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Apparatus for winding coils of metal strip material
Assignee: Monarch Machine Tool Co Stamco Div
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Filing: 1965-07-09
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Granted: 1968-10-22
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Expires: 1985-07-09
Abstract
No abstract record available.
Inventors
- 👤 Elton W Bruns
- 👤 Richard E Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:09
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2526029A
Cited
US2855161A
Cited
US3010671A
Cited
US3061226A
Cited
US3106365A
Cited
US3032914A
Cited
US3266743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |