US2696067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine
Assignee: Individual
•
Filing: 1952-12-03
•
Granted: 1954-12-07
•
Expires: 1972-12-03
Abstract
No abstract record available.
Inventors
- 👤 Leach Banner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:52
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US282761A
Cited
US1629864A
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US765105A
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US1377119A
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US1649713A
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US1863854A
Cited
US2079076A
Cited
US2226782A
Cited
US2209711A
Cited
FR896437A
Cited
US2541912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |