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US2738784A
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Abrasive wheel dressing tools
Assignee: Anton Smit & Co Inc
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Filing: 1952-03-25
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Granted: 1956-03-20
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Expires: 1972-03-25
Abstract
No abstract record available.
Inventors
- 👤 Karpovitz Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:03
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/12; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US431855A
Cited
US2233858A
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US2319895A
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GB553026A
Cited
US2466199A
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US2333939A
Cited
US2375114A
Cited
US2505684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |