US2799510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Salt spreader
Assignee: Individual
•
Filing: 1953-05-07
•
Granted: 1957-07-16
•
Expires: 1973-05-07
Abstract
No abstract record available.
Inventors
- 👤 Schmidt William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:27
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)
US1040888A
Cited
US2303876A
Cited
US2319865A
Cited
US2293977A
Cited
US2578497A
Cited
US2487552A
Cited
US2517151A
Cited
US2697609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |