Patent US2324751A successfully refreshed from Google Patents.
US2324751A
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US
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Sheet trimming and handling device
Assignee: Ditto Inc
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Filing: 1941-03-01
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Granted: 1943-07-20
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Expires: 1961-03-01
Abstract
No abstract record available.
Inventors
- 👤 Williams Robert Alonzo
- 👤 William S Cochran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:15
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/26; B26D1/30; B26D1/305; B26D7/00; B26D7/01; B26D7/015; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0448; Y10T83/0467; Y10T83/0476; Y10T83/0495; Y10T83/748; Y10T83/7487; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/8831
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) | 1946-07-19 | 1947-01-18 | 1947-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-19 | 1951-01-18 | 1951-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-19 | 1955-01-18 | 1955-07-20 | $7700.00 | Window Closed / Lapsed |