US2295472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road sanding apparatus
Assignee: ARTOMATIC MACHINERY CORP
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Filing: 1941-01-30
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Granted: 1942-09-08
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Expires: 1961-01-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Hopkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:45
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/205; E01C2019/2055; E01C2019/207; E01C2019/2075
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) | 1945-09-07 | 1946-03-09 | 1946-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-07 | 1950-03-09 | 1950-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-07 | 1954-03-09 | 1954-09-08 | $7700.00 | Window Closed / Lapsed |