Patent US3491634A successfully refreshed from Google Patents.
US3491634A
Expired / Lapsed
US
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Process for separating sheets of rigid material
Assignee: Ford Motor Co
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Filing: 1967-11-06
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Granted: 1970-01-27
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Expires: 1987-11-06
Abstract
No abstract record available.
Inventors
- 👤 Paul E Tomshany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:33
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/05; B65G49/06; B65G49/067; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325; Y10T83/00; Y10T83/04; Y10T83/0448; Y10T83/0467; Y10T83/0524; Y10T83/0538; Y10T83/0548; Y10T83/0553; Y10T83/202; Y10T83/2074; Y10T83/2083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |