Patent US5807581A successfully refreshed from Google Patents.
US2299650A
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Rotary cutting and scoring mechanism
Assignee: Interchemical Corp
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Filing: 1940-04-23
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Granted: 1942-10-20
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Expires: 1960-04-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph A Parks
- 👤 James W Batchelder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:35
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/24; B26D1/245; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4708; Y10T83/4711; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4833; Y10T83/4838; Y10T83/929; Y10T83/9372; Y10T83/9396; Y10T83/9399
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) | 1945-10-19 | 1946-04-20 | 1946-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-19 | 1950-04-20 | 1950-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-19 | 1954-04-20 | 1954-10-20 | $7700.00 | Window Closed / Lapsed |