Patent US2431514A successfully refreshed from Google Patents.
US2431514A
Expired / Lapsed
US
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Sheet feeding apparatus
Assignee: TAYLOR WINFLELD CORP
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Filing: 1944-09-15
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Granted: 1947-11-25
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Expires: 1964-09-15
Abstract
No abstract record available.
Inventors
- 👤 Clifford S Seltzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:32
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/30; B65H2801/00; B65H2801/03; B65H2801/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2184296A
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US2094826A
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US2161124A
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US2204985A
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US2253556A
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US2294297A
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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) | 1950-11-24 | 1951-05-26 | 1951-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-24 | 1955-05-26 | 1955-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-24 | 1959-05-26 | 1959-11-25 | $7700.00 | Window Closed / Lapsed |