US3023552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding apparatus
Assignee: Bryant Grinder Corp
•
Filing: 1959-08-07
•
Granted: 1962-03-06
•
Expires: 1979-08-07
Abstract
No abstract record available.
Inventors
- 👤 Paul A Grobey
- 👤 John W Lovely
- 👤 Charles V Thayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:30
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/18; B24B5/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1585983A
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US2107051A
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US1850372A
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US2329301A
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US2270525A
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US2260843A
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US2529433A
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US2437002A
Cited
US2646652A
Cited
US2715304A
Cited
US2884747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |