US2763967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive cut-off machine
Assignee: A P De Sanuo & Son Inc
•
Filing: 1954-12-15
•
Granted: 1956-09-25
•
Expires: 1974-12-15
Abstract
No abstract record available.
Inventors
- 👤 Benjamin G Hardy
- 👤 Charles M Hammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:47
CPC Classifications
B; B24; B24C; B24C9/00; B24B; B24B27/00; B24B27/06; B24B27/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1979140A
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US2176486A
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US2171024A
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US2180743A
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US2343556A
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US2354509A
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US2340553A
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US2467161A
Cited
US2534941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |