US2587415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snowplow
Assignee: Individual
•
Filing: 1948-02-04
•
Granted: 1952-02-26
•
Expires: 1968-02-04
Abstract
No abstract record available.
Inventors
- 👤 Vanvick Isak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:29
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1587449A
Cited
US2092536A
Cited
US2168866A
Cited
US2278220A
Cited
US2373318A
Cited
US2375965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |