Patent US2718830A successfully refreshed from Google Patents.
US2718830A
Expired / Lapsed
US
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Material mixing apparatus for road machines
Assignee: Individual
•
Filing: 1952-03-24
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Granted: 1955-09-27
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Expires: 1972-03-24
Abstract
No abstract record available.
Inventors
- 👤 George P Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:07
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/02; E01C19/025; E01C19/10; E01C19/1054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1410114A
Cited
US1725190A
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US2022287A
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US2138904A
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US2192027A
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US2314358A
Cited
US2394017A
Cited
US2438159A
Cited
US2449710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |