US2845751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal working machine
Assignee: Mid West Abrasive Co
•
Filing: 1955-01-10
•
Granted: 1958-08-05
•
Expires: 1975-01-10
Abstract
No abstract record available.
Inventors
- 👤 William M Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:46
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/07; B24B7/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2200274A
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US2347875A
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US2360070A
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US2541045A
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US2694274A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |