Patent US2358880A successfully refreshed from Google Patents.
US2358880A
Expired / Lapsed
US
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Abrasive cutoff machine
Assignee: FKI Industries Inc
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Filing: 1941-03-17
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Granted: 1944-09-26
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Expires: 1961-03-17
Abstract
No abstract record available.
Inventors
- 👤 Harry G Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:35
CPC Classifications
B; B23; B23D; B23D47/00; B23D47/04; B23D47/042; B24; B24B; B24B27/00; B24B27/06; B24B27/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-09-26 | 1948-03-27 | 1948-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-09-26 | 1952-03-27 | 1952-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-09-26 | 1956-03-27 | 1956-09-26 | $7700.00 | Window Closed / Lapsed |