US2794628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propeller agitators and the dispersing of materials therewith
Assignee: Eastman Kodak Co
•
Filing: 1954-09-29
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Granted: 1957-06-04
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Expires: 1974-09-29
Abstract
No abstract record available.
Inventors
- 👤 Leon D Fessenden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:41
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/113; B01F27/115; B01F27/1153
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |