US2856191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary disc road sander
Assignee: ARTHUR N SIMONSEN
•
Filing: 1956-01-03
•
Granted: 1958-10-14
•
Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 Frank H Kolb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:29
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/202; E01C19/203
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1508210A
Cited
US1912172A
Cited
GB428298A
Cited
FR793042A
Cited
US2162689A
Cited
US2187448A
Cited
US2421211A
Cited
US2698184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |