US3065556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-loading sand spreader and snow blade attachment for tractor
Assignee: Frank G Hough Co
•
Filing: 1960-11-04
•
Granted: 1962-11-27
•
Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 Keith W Kampert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:01
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/202; E01H; E01H5/00; E01H5/04; E01H5/06; E01H5/065; E01H5/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1288514A
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US1415880A
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US1816522A
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US2488695A
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US2635884A
Cited
US2755092A
Cited
US2829826A
Cited
US2799510A
Cited
US2830392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |