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Patent US3540338A successfully refreshed from Google Patents.
US3540338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutoff machine
Assignee: JAMES MCEWAN Inc
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Filing: 1968-11-21
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Granted: 1970-11-17
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Expires: 1988-11-21
Abstract
No abstract record available.
Inventors
- 👤 James Mcewan
- 👤 Basil R Bushman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:38
CPC Classifications
B; B23; B23D; B23D47/00; B23D47/08; B23D45/00; B23D45/04; B23D45/042; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7684; Y10T83/7693; Y10T83/7755; Y10T83/7788; Y10T83/7793
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) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |