US2855733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive cutting wheel method
Assignee: FKI Industries Inc
•
Filing: 1956-12-28
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Granted: 1958-10-14
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Expires: 1976-12-28
Abstract
No abstract record available.
Inventors
- 👤 Hugh V Allison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:06
CPC Classifications
B; B24; B24B; B24B27/00; B24B27/06; B24B27/065; B23; B23D; B23D45/00; B23D45/04; B23D45/042; B23D47/00; B23D47/08; B23D47/10
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) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |