Patent US2635872A successfully refreshed from Google Patents.
US2635872A
Expired / Lapsed
US
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Means for feeding lengths of material between series of rollers
Assignee: Individual
•
Filing: 1950-04-10
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Granted: 1953-04-21
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Expires: 1970-04-10
Abstract
No abstract record available.
Inventors
- 👤 Birse James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:19
CPC Classifications
D; D21; D21G; D21G9/00; D21G9/0063; B; B65; B65H; B65H2301/00; B65H2301/50; B65H2301/52; B65H2301/522; B65H2301/52202; B65H2801/00; B65H2801/84
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |