US2783593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism for grinding belt
Assignee: Individual
•
Filing: 1954-05-28
•
Granted: 1957-03-05
•
Expires: 1974-05-28
Abstract
No abstract record available.
Inventors
- 👤 Lad L Hercik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:07
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US313035A
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US1179999A
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US1150155A
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US1919477A
Cited
US1927203A
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US2311268A
Cited
US2500321A
Cited
US2607373A
Cited
US2661780A
Cited
US2648176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |