US2435915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet handling apparatus
Assignee: Dexter Folder Co
•
Filing: 1942-01-06
•
Granted: 1948-02-10
•
Expires: 1962-01-06
Abstract
No abstract record available.
Inventors
- 👤 Leo C Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:30
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/08; B65H1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US762055A
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US1061526A
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US1223741A
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US1442718A
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US1611703A
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US1976432A
Cited
US1833292A
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US2051051A
Cited
GB499893A
Cited
US2247466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-09 | 1951-08-11 | 1952-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-09 | 1955-08-11 | 1956-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-09 | 1959-08-11 | 1960-02-10 | $7700.00 | Window Closed / Lapsed |