US2861786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pug mill mixer having improved aggregate circulating means
Assignee: Baldwin Lima Hamilton Corp
•
Filing: 1952-11-28
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Granted: 1958-11-25
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Expires: 1972-11-28
Abstract
No abstract record available.
Inventors
- 👤 Walter M Madsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:17
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/60; B01F27/70; B01F27/701; B01F27/702; E; E01; E01C; E01C19/00; E01C19/02; E01C19/10; E01C19/1013; E01C19/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1350534A
Cited
US1788345A
Cited
US1855548A
Cited
US1987243A
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US2237787A
Cited
US2570042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |