US2437792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet feeding apparatus
Assignee: Dexter Folder Co
•
Filing: 1944-06-01
•
Granted: 1948-03-16
•
Expires: 1964-06-01
Abstract
No abstract record available.
Inventors
- 👤 Walter E Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:03
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/08; B65H1/14; B65H2801/00; B65H2801/03; B65H2801/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US499818A
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US516812A
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US612248A
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US1617374A
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US1490070A
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US1626353A
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US1671688A
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US1982823A
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US2094826A
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GB518534A
Cited
US2247466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-16 | 1951-09-15 | 1952-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-16 | 1955-09-15 | 1956-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-16 | 1959-09-15 | 1960-03-16 | $7700.00 | Window Closed / Lapsed |