US3000064A
Expired / Lapsed
US
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End point moisture content control for sand
Assignee: Harry W Dietert Co
•
Filing: 1957-07-11
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Granted: 1961-09-19
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Expires: 1977-07-11
Abstract
No abstract record available.
Inventors
- 👤 Harry W Dietert
- 👤 Randolph L Dietert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:52
CPC Classifications
B; B22; B22C; B22C5/00; B22C5/08; B28; B28C; B28C7/00; B28C7/04; B28C7/0404; B28C7/0409; G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/043; G01N27/22; G01N27/223; G05; G05D; G05D22/00; G05D22/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB621181A
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US2219497A
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US2277953A
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US2707703A
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US2570223A
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US2692972A
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US2709843A
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US2802178A
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US2863191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |