Patent US4863608A successfully refreshed from Google Patents.
Patent US3007688A successfully refreshed from Google Patents.
US3007688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pavement cutting device having aligned abrasive blades
Assignee: CONCRETE SAWING EQUIPMENT Inc
•
Filing: 1959-10-12
•
Granted: 1961-11-07
•
Expires: 1979-10-12
Abstract
No abstract record available.
Inventors
- 👤 Cecil W Hatcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:01
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/06; E01C23/09; E01C23/0906; E01C23/0926; E01C23/0933; B; B23; B23D; B23D45/00; B23D45/10; B23D45/105
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US462264A
Cited
US909059A
Cited
US1553845A
Cited
GB551996A
Cited
US2468336A
Cited
US2791412A
Cited
US2857147A
Cited
US2939691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |