Patent US2815555A successfully refreshed from Google Patents.
Patent US3314660A successfully refreshed from Google Patents.
US3314660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer
Assignee: Atlantic Research Corp
•
Filing: 1965-06-11
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Granted: 1967-04-18
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Expires: 1985-06-11
Abstract
No abstract record available.
Inventors
- 👤 Arbiter William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:49
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/044; A47J27/00; A47J27/004; A47J43/07; A47J43/08; A47J43/082; B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/114; B01F27/80; B01F27/85; B01F27/92; B01F27/922
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
123 words
IN COMBINATION, A SUBSTANTIALLY VERTICALLY ORIENTED GENERALLY CONE-SHAPED RECEPTACLE AND A MIXING BLADE ROTATABLY MOUNTED WITHIN SAID RECEPTACLE, SAID BLADE COMPRISING A SHAFT AND A PLURALITY OF DOWNWARDLY CONVERGENT HELICAL BLADE ELEMENTS WHICH GENERATE A SUBSTANTIALLY CONICAL SURFACE DURING ROTATION THEREOF, THE APEX OF WHICH IS DISPOSED ADJACENT TO THE APEX OF SAID RECEPTACLE, ONE END OF EACH OF SAID ELEMENTS BEING RIGIDLY ATTACHED TO SAID SHAFT AND THE OTHER END OF EACH OF SAID ELEMENTS JOINING AT LEAST ONE OTHER OF SAID OTHER ENDS, EACH OF SAID ELEMENTS HAVING A WIDTH, A THICKNESS, AND A LENGTH, THE CROSS SECTIONAL AREA ESTABLISHED BY SAID WIDTH AND SAID THICKNESS OF EACH OF SAID ELEMENTS DECREASING ALONG THE LENGTH OF SAID ELEMENT TOWARD SAID APEX.
References Cited (Backward Citations)
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |