Patent US2203608A successfully refreshed from Google Patents.
US2203608A
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Feeding mechanism for grinding wheel truing apparatus
Assignee: Saint Gobain Abrasives Inc
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Filing: 1939-01-04
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Granted: 1940-06-04
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Expires: 1959-01-04
Abstract
No abstract record available.
Inventors
- 👤 Wallace H Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:29
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/12; B24B47/00; B24B47/02; B24B47/06; B24B49/00; B24B49/18; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1518; Y10T74/1519; Y10T74/1521; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/2063
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) | 1943-06-04 | 1943-12-04 | 1944-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-06-04 | 1947-12-04 | 1948-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-06-04 | 1951-12-04 | 1952-06-04 | $7700.00 | Window Closed / Lapsed |