US2617606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of rewinding paper core waste
Assignee: Individual
•
Filing: 1952-02-27
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Granted: 1952-11-11
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Expires: 1972-02-27
Abstract
No abstract record available.
Inventors
- 👤 Marvin C Whatmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:44
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/10; B65H19/18; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/415; B65H2301/4152; B65H2301/41525; B65H2301/50; B65H2301/54; B65H2301/543
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |