Patent US2951684A successfully refreshed from Google Patents.
US2951684A
Expired / Lapsed
US
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Blender
Assignee: Central Scientific Co
•
Filing: 1956-10-08
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Granted: 1960-09-06
•
Expires: 1976-10-08
Abstract
No abstract record available.
Inventors
- 👤 Robert F Labbe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:00
CPC Classifications
B; B01; B01F; B01F35/00; B01F35/50; B01F35/90; B01F35/92; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE105637C
Cited
US1293087A
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US2109501A
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US2217090A
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US2284155A
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US2401606A
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US2472362A
Cited
US2794627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |