US2984462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing device
Assignee: Individual
•
Filing: 1959-09-25
•
Granted: 1961-05-16
•
Expires: 1979-09-25
Abstract
No abstract record available.
Inventors
- 👤 Donald J O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:17
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/115; B01F27/1153; A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/0705; A47J43/0711; B01F27/1151
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1296663A
Cited
DE468172C
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US1655447A
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US2035333A
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US2692127A
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US2898094A
Cited
US2871000A
Cited
AT200120B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |