US3287138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for separating flour from admixture with larger cereal particles
Assignee: Lauhoff Grain Co
•
Filing: 1963-11-18
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Granted: 1966-11-22
•
Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 Walter W Pearson
- 👤 Ross F Brian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:01
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/04; C08B30/042
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
108 words
A METHOD FOR SEPARATING CEREAL FLOUR FROM LARGER CEREAL PARTICLES RESULTING FROM THE DRY MILLING OF CEREAL GRAIN; SAID FLOUR ADHERING TO SAID PARTICLES BY OIL DISPOSED ON THE SURFACE OF SAID LARGER CEREAL PARTICLES, COMPRISING THE STEPS OF ADDING A SOLVENT FOR SAID OIL TO THE CEREAL FLOUR-CEREAL PARTICLE MIXTURE WHICH DESTROYS THE ADHESIVE PROPERTY OF THE OIL AND IS INERT TO THE FLOUR AND LARGER CEREAL PARTICLES; SAID SOLVENT BEING PRESENT IN ADEQUATE AMOUNT TO SEPARATE SAID CEREAL FLOUR FROM THE LARGER CEREAL PARTICLES; AND SEPARATING SAID CEREAL FLOUR FROM SAID LARGER CEREAL PARTICLES BY REMOVING SAID FLOUR FROM SAID LARGER CEREAL PARTICLES IN SAID SOLVENT.
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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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |