US2795404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer
Assignee: Individual
•
Filing: 1954-03-23
•
Granted: 1957-06-11
•
Expires: 1974-03-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Fritz G Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:55
CPC Classifications
B; B01; B01F; B01F29/00; B01F29/40; Y; Y10; Y10S; Y10S220/00; Y10S220/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US263349A
Cited
US447673A
Cited
US664130A
Cited
US1733724A
Cited
US1787101A
Cited
US2267898A
Cited
US2643463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |