Patent US2641089A successfully refreshed from Google Patents.
US2641089A
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US
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Method and means for the reproduction by grinding
Assignee: Individual
•
Filing: 1951-08-28
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Granted: 1953-06-09
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Expires: 1971-08-28
Abstract
No abstract record available.
Inventors
- 👤 Fouquet Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:15
CPC Classifications
B; B24; B24B; B24B17/00; B24B17/02; B24B17/025; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303416; Y10T409/303472; Y10T409/303696; Y10T82/00; Y10T82/14; Y10T82/148
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) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |