US2804275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible web tension control mechanism
Assignee: Cameron Machine Co
•
Filing: 1954-01-21
•
Granted: 1957-08-27
•
Expires: 1974-01-21
Abstract
No abstract record available.
Inventors
- 👤 Saco Felix
- 👤 Rockstrom Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:24
CPC Classifications
B; B65; B65H; B65H23/00; B21; B21C; B21C47/00; B21C47/003; B65H18/00; B65H18/08; B65H18/14; B65H18/145; B65H18/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US131103A
Cited
US1100039A
Cited
US1380837A
Cited
US1652299A
Cited
US1825966A
Cited
US1929087A
Cited
US2105824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |