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US3216629A
Expired / Lapsed
US
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Blending apparatus
Assignee: Phillips Petroleum Co
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Filing: 1964-01-24
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Granted: 1965-11-09
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Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 Robert R Goins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:48
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/80; B01F25/82; B01F25/822; B01F25/821
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
SOLIDS BLENDING APPARATUS COMPRISING, IN COMBINATION: (A) A CHAMBER HAVING AN INLET AND OUTLET AT SUBSTANTIALLY OPPOSITE ENDS THEREOF; (B) A DOWNWARDLY CONCAVE CONICAL BAFFLING MEANS IN A LOWER PART OF SAID CHAMBER AND SPACED FROM THE BOTTOM OF SAID CHAMBER SO AS TO PROVIDE A FIRST PASSAGEWAY FOR SAID SOLIDS AROUND SAID BAFFLE;
Claim 2
Dependent Claim
54 words
SOLIDS BLENDING APPARATUS COMPRISING, IN COMBINATION: (A) A CHAMBER HAVING AN INLET AND OUTLET AT SUBSTANTIALLY OPPOSITE ENDS THEREOF; (B) A DOWNWARDLY CONCAVE CONICAL BAFFLING MEANS IN A LOWER PART OF SAID CHAMBER AND SPACED FROM THE BOTTOM OF SAID CHAMBER SO AS TO PROVIDE A FIRST PASSAGEWAY FOR SAID SOLIDS AROUND SAID BAFFLE;
References Cited (Backward Citations)
GB521025A
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US2455572A
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US2805802A
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US2994460A
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US3029986A
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US3106385A
Cited
US3094243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |