Patent US2928940A successfully refreshed from Google Patents.
Patent US2079995A successfully refreshed from Google Patents.
US2079995A
Expired / Lapsed
US
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Abrasive tool
Assignee: SURFACING WHEEL Corp
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Filing: 1934-01-29
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Granted: 1937-05-11
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Expires: 1954-01-29
Abstract
No abstract record available.
Inventors
- 👤 Albert A Hodgkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:08
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/04; Y; Y10; Y10T; Y10T407/00; Y10T407/18; Y10T407/1815; Y10T407/182; Y10T407/19; Y10T407/1906; Y10T407/1934; Y10T407/1942; Y10T407/1944
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-05-10 | 1940-11-09 | 1941-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-05-10 | 1944-11-09 | 1945-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-05-10 | 1948-11-09 | 1949-05-11 | $7700.00 | Window Closed / Lapsed |