US2702184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw mixer and blender
Assignee: EIDP Inc
•
Filing: 1951-10-26
•
Granted: 1955-02-15
•
Expires: 1971-10-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Andrew Starling Griffith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:05
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/114; B01F27/1143; D; D01; D01D; D01D1/00; D01D1/06; D01D1/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US125255A
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US286384A
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US630309A
Cited
US787143A
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US896848A
Cited
US1284945A
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US1565970A
Cited
US2016647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |