US2694886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive cutting wheel
Assignee: Allison Co
•
Filing: 1952-07-12
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Granted: 1954-11-23
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Expires: 1972-07-12
Abstract
No abstract record available.
Inventors
- 👤 Hugh V Allison
- 👤 George H Kendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:11
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/29; B27B5/30; B27B5/32; B23; B23D; B23D61/00; B23D61/02; B23D61/025; B24; B24D; B24D5/00; B24D5/02; B24D5/04; B24D5/12; B24D5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2044442A
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US1589440A
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US1600064A
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US1783727A
Cited
US1783729A
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US1783728A
Cited
FR980209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |