Patent US1663759A successfully refreshed from Google Patents.
US1663759A
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US
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Pavement grinder
Assignee: Individual
•
Filing: 1924-12-29
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Granted: 1928-03-27
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Expires: 1944-12-29
Abstract
No abstract record available.
Inventors
- 👤 Jacob C Ham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:31
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/18; B28D1/181; B23; B23Q; B23Q7/00; B23Q7/16; B23Q7/18; B24; B24B; B24B7/00; B24B7/10; B24B7/18; E; E01; E01C; E01C23/00; E01C23/06; E01C23/08; E01C23/085; E01C23/088; E01C23/0885
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) | 1931-03-27 | 1931-09-26 | 1932-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-03-27 | 1935-09-26 | 1936-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-03-27 | 1939-09-26 | 1940-03-27 | $7700.00 | Window Closed / Lapsed |