Patent US3141575A successfully refreshed from Google Patents.
US3141575A
Expired / Lapsed
US
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Apparatus for blending materials
Assignee: WILSON PRODUCTS Inc
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Filing: 1962-08-08
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Granted: 1964-07-21
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Expires: 1982-08-08
Abstract
No abstract record available.
Inventors
- 👤 Brewer Nathaniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:05
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/03; B; B01; B01F; B01F35/00; B01F35/75; B01F35/754; B01F35/75415; B01F35/80; B01F35/892; B01F35/8921; B29; B29B; B29B7/00; B29B7/30; B29B7/58; B29B7/72; B29C; B29C31/00; B29C31/04; B29C31/06; B29C31/065; B29C31/066; B29C48/00; B29C48/25; B29C48/285; B29C48/286; B29C48/288; B29C48/29; B01F23/00; B01F23/60; B29C48/03; Y; Y10; Y10S; Y10S366/00; Y10S366/601
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
APPARATUS FOR BLENDING DRY FREE FLOWING MATERIALS COMPRISING A FIRST HOPPER HAVING A DISCHARGE OPENING, A FIRST ROTATABLE TABLE FOR RECEIVING MATERIAL DISCHARGE FROM SAID FIRST HOPPER, A SECOND HOPPER HAVING A DISCHARGE OPENING, A THIRD HOPPER ADJACENT SAID SECOND HOPPER AND HAVING A DISCHARGE OPENING, A SECOND ROTATABLE TABLE RECEIVING MATERIAL DISCHARGED FROM SAID SECOND AND THIRD HOPPERS, MEANS GUIDING THE MATERIAL RECEIVED ON SAID SECOND TABLE FROM SAID SECOND AND THIRD HOPPERS TO JOIN AND FORM A MIXTURE ON SAID SECOND HOPPER, MEANS AT THE JUNCTION OF SAID MATERIALS ON SAID SECOND TABLE FOR REGULATING THE PROPORTION OF SECOND HOPPER MATERIAL TO THIRD HOPPER MATERIAL IN SAID MIXTURE THEREOF, ONE OF SAID TABLES BEING POSITIONED HIGHER THAN THE OTHER, MEANS FOR DIRECTING THE MATERIAL RECEIVED ON SAID HIGHER TABLE ONTO SAID LOWER TABLE, AND MEANS FOR DISCHARGING FROM SAID LOWER TABLE THE MATERIAL RECEIVED THEREBY FROM ITS ASSOCIATED HOPPER MEANS AND FROM SAID HIGHER TABLE.
Claim 2
Dependent Claim
157 words
APPARATUS FOR BLENDING DRY FREE FLOWING MATERIALS COMPRISING A FIRST HOPPER HAVING A DISCHARGE OPENING, A FIRST ROTATABLE TABLE FOR RECEIVING MATERIAL DISCHARGE FROM SAID FIRST HOPPER, A SECOND HOPPER HAVING A DISCHARGE OPENING, A THIRD HOPPER ADJACENT SAID SECOND HOPPER AND HAVING A DISCHARGE OPENING, A SECOND ROTATABLE TABLE RECEIVING MATERIAL DISCHARGED FROM SAID SECOND AND THIRD HOPPERS, MEANS GUIDING THE MATERIAL RECEIVED ON SAID SECOND TABLE FROM SAID SECOND AND THIRD HOPPERS TO JOIN AND FORM A MIXTURE ON SAID SECOND HOPPER, MEANS AT THE JUNCTION OF SAID MATERIALS ON SAID SECOND TABLE FOR REGULATING THE PROPORTION OF SECOND HOPPER MATERIAL TO THIRD HOPPER MATERIAL IN SAID MIXTURE THEREOF, ONE OF SAID TABLES BEING POSITIONED HIGHER THAN THE OTHER, MEANS FOR DIRECTING THE MATERIAL RECEIVED ON SAID HIGHER TABLE ONTO SAID LOWER TABLE, AND MEANS FOR DISCHARGING FROM SAID LOWER TABLE THE MATERIAL RECEIVED THEREBY FROM ITS ASSOCIATED HOPPER MEANS AND FROM SAID HIGHER TABLE.
References Cited (Backward Citations)
US228180A
Cited
US830543A
Cited
US1781097A
Cited
US2368672A
Cited
US2568332A
Cited
US2638248A
Cited
US3005575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |