Patent US3050159A successfully refreshed from Google Patents.
US3050159A
Expired / Lapsed
US
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Self-erecting portable mixing plant or the like
Assignee: Barber Greene Co
•
Filing: 1960-01-12
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Granted: 1962-08-21
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Expires: 1980-01-12
Abstract
No abstract record available.
Inventors
- 👤 Robert J Paulus
- 👤 Robert E Farnham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:22
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/02; E01C19/10; E01C19/1009; Y; Y10; Y10S; Y10S366/00; Y10S366/606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US861543A
Cited
US1411801A
Cited
US1434997A
Cited
US2059130A
Cited
US2567795A
Cited
US2508632A
Cited
US2808911A
Cited
US2945683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |