Patent US2958991A successfully refreshed from Google Patents.
US2958991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cam type operating device for crushing rolls
Assignee: International Motors LLC
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Filing: 1958-01-17
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Granted: 1960-11-08
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Expires: 1978-01-17
Abstract
No abstract record available.
Inventors
- 👤 Sherman C Heth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:58
CPC Classifications
A; A01; A01D; A01D82/00; Y; Y10; Y10S; Y10S56/00; Y10S56/01
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) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |