US2545470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary snowplow
Assignee: Individual
•
Filing: 1949-04-21
•
Granted: 1951-03-20
•
Expires: 1969-04-21
Abstract
No abstract record available.
Inventors
- 👤 Allen T Kear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:33
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/04; E01H5/08; E01H5/09; E01H5/098
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1840893A
Cited
US1863474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |