US2823492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine and method
Assignee: Motors Liquidation Co
•
Filing: 1954-07-16
•
Granted: 1958-02-18
•
Expires: 1974-07-16
Abstract
No abstract record available.
Inventors
- 👤 Robert M Arbuckle
- 👤 Joseph R Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:35
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/14; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/302968; Y10T409/303248
Claims Analysis
Total Claims: 0
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US2656651A
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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) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |