US3295838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conditioner for premoistening dry powders
Assignee: McDowell-Wellman Engineering Co
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Filing: 1964-08-24
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Granted: 1967-01-03
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Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Ban
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:54
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/28; B01F; B01F25/00; B01F25/70; B01F25/72; B01F25/721; B01J2/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A CONDITIONER FOR PREMOISTENING DRY POWDER COMPRISING: (A) A VERTICALLY DISPOSED VENTURI SECTION HAVING OPEN EXTREMITIES, IN WHICH DRY POWDER IS CONDITIONED; (B) MEANS FOR FEEDING DRY POWDER THROUGH THE UPPER OPEN EXTREMITY OF THE SECTION; (C) MEANS FOR MOISTENING THE DRY POWDR AT THE THROAT SECTION OF THE VENTURI SECTION; (D) MEANS FOR VIBRATING THE VENTURI SECTION; AND (E) MEANS FOR AGGREGATING THE MOISTENED DRY POWDER ADJACENT THE LOWER EXTREMITY OF THE VENTURI SECTION, SAID AGGREGATING MEANS INCLUDING A CIRCULAR BIN RESILIENTLY SUPPORTED BY THE VENTURI SECTION WHEREBY THE CIRCULAR BIN IS MOVABLE RELATIVE TO THE VENTURI SECTION.
Claim 2
Dependent Claim
99 words
A CONDITIONER FOR PREMOISTENING DRY POWDER COMPRISING: (A) A VERTICALLY DISPOSED VENTURI SECTION HAVING OPEN EXTREMITIES, IN WHICH DRY POWDER IS CONDITIONED; (B) MEANS FOR FEEDING DRY POWDER THROUGH THE UPPER OPEN EXTREMITY OF THE SECTION; (C) MEANS FOR MOISTENING THE DRY POWDR AT THE THROAT SECTION OF THE VENTURI SECTION; (D) MEANS FOR VIBRATING THE VENTURI SECTION; AND (E) MEANS FOR AGGREGATING THE MOISTENED DRY POWDER ADJACENT THE LOWER EXTREMITY OF THE VENTURI SECTION, SAID AGGREGATING MEANS INCLUDING A CIRCULAR BIN RESILIENTLY SUPPORTED BY THE VENTURI SECTION WHEREBY THE CIRCULAR BIN IS MOVABLE RELATIVE TO THE VENTURI SECTION.
References Cited (Backward Citations)
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US2116708A
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US2914797A
Cited
US3167259A
Cited
US3226092A
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US3202281A
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |