US2964071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic belt drive for bulk salter
Assignee: Diamond Crystal Salt Co
•
Filing: 1957-01-31
•
Granted: 1960-12-13
•
Expires: 1977-01-31
Abstract
No abstract record available.
Inventors
- 👤 Warren M Buell
- 👤 Iii Frank B Hamachek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:58
CPC Classifications
B; B65; B65G; B65G67/00; B65G2814/00; B65G2814/03; B65G2814/0347; B65G2814/0352
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21453E
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US1416997A
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US1122334A
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US1773646A
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US2048124A
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US2276472A
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US2766043A
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US2806396A
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US2848098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |