US3069810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive tool
Assignee: American Technical Machinery Corp
•
Filing: 1959-05-22
•
Granted: 1962-12-25
•
Expires: 1979-05-22
Abstract
No abstract record available.
Inventors
- 👤 Seymour N Blackman
- 👤 Henry C Peltier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:01
CPC Classifications
B; B23; B23F; B23F19/00; B23F19/10; B23F19/12; B24; B24C; B24C1/00; B24C1/04; B24C1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2347998A
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US2378399A
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US2422431A
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US2376287A
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US2407642A
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US2440334A
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US2653420A
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US2576008A
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US2669809A
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US2766558A
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US2759266A
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US2830884A
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US2744361A
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US2941861A
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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) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |