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US2616229A
Expired / Lapsed
US
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Abrasive wheel
Assignee: Allison Co
•
Filing: 1950-04-10
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Granted: 1952-11-04
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Expires: 1970-04-10
Abstract
No abstract record available.
Inventors
- 👤 Hugh V Allison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:30
CPC Classifications
B; B24; B24D; B24D5/00; B24D5/12; B24D5/123; B24D5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US813167A
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US980982A
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US977325A
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US1162970A
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US1733723A
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US1947662A
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US1984050A
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US2524323A
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US2457516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |