US2697898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recurrent motion abrading apparatus
Assignee: LE Jones Co
•
Filing: 1952-02-18
•
Granted: 1954-12-28
•
Expires: 1972-02-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph T Osman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:58
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2103444A
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US2284671A
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US2270309A
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US2367668A
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US2441506A
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US2565658A
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US2517548A
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US2614369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |