Patent US2852740A successfully refreshed from Google Patents.
US2852740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moisture control device for concrete mixers
Assignee: Individual
•
Filing: 1952-12-05
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Granted: 1958-09-16
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Expires: 1972-12-05
Abstract
No abstract record available.
Inventors
- 👤 Milton E Posey
- 👤 Jr James L Sargent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:09
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/048; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2509
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1930831A
Cited
US2045381A
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US2016920A
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US2015125A
Cited
US2414449A
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US2594138A
Cited
US2565121A
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US2586169A
Cited
US2469736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |