US2590143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snowplow construction
Assignee: FMC Corp
•
Filing: 1949-12-16
•
Granted: 1952-03-25
•
Expires: 1969-12-16
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Adams
- 👤 Donald E Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:55
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/04; E01H5/06; E01H5/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US642398A
Cited
US1170578A
Cited
US1383409A
Cited
US2088564A
Cited
US2468950A
Cited
US2428131A
Cited
US2432780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |