US2985398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll rewinding device
Assignee: Cameron Machine Co
•
Filing: 1956-10-11
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Granted: 1961-05-23
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Expires: 1976-10-11
Abstract
No abstract record available.
Inventors
- 👤 Rockstrom Leonard
- 👤 Aaron Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:53
CPC Classifications
D; D06; D06H; D06H7/00; D06H7/04; B; B65; B65H; B65H18/00; B65H18/08; B65H18/10; B65H18/106; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/414; B65H2301/4148; B65H2301/41486; B65H2301/414863
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303895A
Cited
US2204934A
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US2276494A
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US2438296A
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US2711861A
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US2650039A
Cited
US2775410A
Cited
US2872126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |