Patent US3236504A successfully refreshed from Google Patents.
US3236504A
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Method and apparatus for blending pulverulent material
Assignee: National Gypsum Co
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Filing: —
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Granted: 1966-02-22
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Expires: 1983-02-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:39
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/02; B28C5/06; B01; B01F; B01F23/00; B01F23/50; B01F23/53; B01F23/60; B01F25/00; B01F25/80; B01F27/00; B01F27/80; B01F27/90; B01F35/00; B01F35/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
AN APPARATUS FOR BLENDING AND TRANSFERRING PULVERULENT MATERIALS COMPRISING: (A) A BIN HAVING AT LEAST TWO COMPARTMENTS; (B) AN INLET FOR SUPPLYING SAID MATERIALS TO A FIRST COMPARTMENT OF SAID BIN; (C) A MEANS FOR SUPPLYING GAS TO SAID FIRST COMPARTMENT TO AERATE SAID MATERIALS THEREIN; (D) AN APERTURE POSITIONED TO TRANSFER SAID MATERIALS TO A SECOND COMPARTMENT IN SAID BIN; (E) MEANS WITHIN THE APERTURE FOR ANGULARLY DIRECTING A STREAM OF DIVERGING GAS INTO SAID SECOND COMPARTMENT TO SWEEP SAID MATERIALS INTO SAID SECOND COMPARTMENT; AND (F) A MEANS FOR EMITTING GAS INTO SAID SECOND COMPARTMENT OF SAID BIN TO AERATE SAID MATERIALS.
Claim 2
Independent Claim
104 words
AN APPARATUS FOR BLENDING AND TRANSFERRING PULVERULENT MATERIALS COMPRISING: (A) A BIN HAVING AT LEAST TWO COMPARTMENTS; (B) AN INLET FOR SUPPLYING SAID MATERIALS TO A FIRST COMPARTMENT OF SAID BIN; (C) A MEANS FOR SUPPLYING GAS TO SAID FIRST COMPARTMENT TO AERATE SAID MATERIALS THEREIN; (D) AN APERTURE POSITIONED TO TRANSFER SAID MATERIALS TO A SECOND COMPARTMENT IN SAID BIN; (E) MEANS WITHIN THE APERTURE FOR ANGULARLY DIRECTING A STREAM OF DIVERGING GAS INTO SAID SECOND COMPARTMENT TO SWEEP SAID MATERIALS INTO SAID SECOND COMPARTMENT; AND (F) A MEANS FOR EMITTING GAS INTO SAID SECOND COMPARTMENT OF SAID BIN TO AERATE SAID MATERIALS.
References Cited (Backward Citations)
US1660402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |