US2697609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road sanding machine
Assignee: C & F Machine Works
•
Filing: 1948-08-12
•
Granted: 1954-12-21
•
Expires: 1968-08-12
Abstract
No abstract record available.
Inventors
- 👤 Sidney J Chase
- 👤 Emmet J O'reilly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:03
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/202; E01C19/203; B; B60; B60B; B60B39/00; B60B39/02; B60B39/04; B60B39/06; B60P; B60P1/00; B60P1/04; B60P1/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1848542A
Cited
US1508210A
Cited
US1435369A
Cited
US1764019A
Cited
US1928859A
Cited
US1971432A
Cited
US1924825A
Cited
US1909238A
Cited
US2162689A
Cited
US2256655A
Cited
US2280234A
Cited
US2416592A
Cited
US2368470A
Cited
US2421013A
Cited
US2374410A
Cited
US2393849A
Cited
US2453714A
Cited
US2578497A
Cited
US2485240A
Cited
US2549989A
Cited
US2517151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |