Patent US2162580A successfully refreshed from Google Patents.
US2162580A
Expired / Lapsed
US
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Sheet-handling apparatus
Assignee: Individual
•
Filing: 1938-08-27
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Granted: 1939-06-13
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Expires: 1958-08-27
Abstract
No abstract record available.
Inventors
- 👤 Hopkins Llewellyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:58
CPC Classifications
B; B21; B21B; B21B39/00; B21B39/002; B65; B65H; B65H3/00; B65H3/08; B65H3/0808; B65H3/0816; H; H01; H01J; H01J13/00; H01J13/02; H01J13/04; H01J13/06; H01J13/12; H01J2893/00; H01J2893/0072; H01J2893/0073; H01J2893/0074; H01J2893/0075; H01J2893/008
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) | 1942-06-12 | 1942-12-12 | 1943-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-12 | 1946-12-12 | 1947-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-12 | 1950-12-12 | 1951-06-13 | $7700.00 | Window Closed / Lapsed |