US2612007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive belt attachment for abrasive wheel machines
Assignee: Hammond Machinery Builders Inc
•
Filing: 1950-10-05
•
Granted: 1952-09-30
•
Expires: 1970-10-05
Abstract
No abstract record available.
Inventors
- 👤 Ramsay M Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:53
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1189715A
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US1744807A
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US1974806A
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US2089808A
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US2274268A
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US2273696A
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US2334960A
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US2452205A
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US2463287A
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US2479536A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |