US2957409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder registering mechanism
Assignee: —
•
Filing: —
•
Granted: 1960-10-25
•
Expires: 1977-10-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:05
CPC Classifications
B; B21; B21B; B21B13/00; B31; B31F; B31F1/00; B31F1/07; B21B31/00; B21B31/16; B21B31/20; B21B31/22; B31F2201/00; B31F2201/07; B31F2201/0707; B31F2201/0715; B31F2201/0753
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2174728A
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US2681611A
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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) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |