US3415494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid addition mixer
Assignee: Sprout Waldron and Co Inc
•
Filing: 1966-07-13
•
Granted: 1968-12-10
•
Expires: 1986-07-13
Abstract
No abstract record available.
Inventors
- 👤 Fisher Chester Donald
- 👤 Robert L Stroup
- 👤 Zerkel Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:15
CPC Classifications
A; A23; A23N; A23N17/00; A23N17/02; B; B01; B01F; B01F27/00; B01F27/80; B01F35/00; B01F35/71; B01F35/712; B01F35/717; B01F35/71725; B01F35/7173; B01F35/71805; B01F35/75; B01F35/754; B01F35/75455
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE1068670B
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US1855548A
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US2146776A
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US2592709A
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US2953359A
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US3090606A
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US3227424A
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US3245663A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |