US3304845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spreader with aggregate spreading and remixing means
Assignee: Individual
•
Filing: 1966-01-17
•
Granted: 1967-02-21
•
Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 Alexander G Mentes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:49
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1534900A
Cited
US2076890A
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US2169987A
Cited
US2219159A
Cited
US2645043A
Cited
US2888864A
Cited
US2911892A
Cited
US2962947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |