US3081762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding wheel dressing tool
Assignee: Individual
•
Filing: 1961-03-15
•
Granted: 1963-03-19
•
Expires: 1981-03-15
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:36
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/12; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/94
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1508939A
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US1612371A
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US1819091A
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US2390967A
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US2475401A
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US2341820A
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US2708432A
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US2638886A
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US2748761A
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US2726650A
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US2785510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |