Patent US2778614A successfully refreshed from Google Patents.
US2778614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer
Assignee: Individual
•
Filing: 1954-03-22
•
Granted: 1957-01-22
•
Expires: 1974-03-22
Abstract
No abstract record available.
Inventors
- 👤 Koch Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:38
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B01F27/84; B01F33/00; B01F33/86; B01F33/862; Y; Y10; Y10S; Y10S366/00; Y10S366/605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US614522A
Cited
GB189607939A
Cited
US671487A
Cited
US690375A
Cited
US1091887A
Cited
US1484945A
Cited
US2209287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |