Patent US2987424A successfully refreshed from Google Patents.
US2987424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Root crop flour and method of and system for making same
Assignee: Champion Paper and Fibre Co
•
Filing: 1959-05-01
•
Granted: 1961-06-06
•
Expires: 1979-05-01
Abstract
No abstract record available.
Inventors
- 👤 Jay E Olnick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:39
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
A METHOD OF TREATING ROOT CROPS COMPRISED ESSENTIALLY OF STARCH AND FIBER, COMPRISING THE STEPS OF CHIPPING THE ROOTS TO FORM UNIFORM CHIPS THEREFROM OF NOT GREATER THAN .3 MM., DRYING THE UNIFORM CHIPS TO A MOISTURE CONTENT OF FROM 10 TO 15% OF WATER, THEREAFTER IMPACTING THE DRIED CHIPS, AND SEPARATING THE RESULTANT PRODUCTS INTO A FLOUR CONTAINING UP TO 95% OF STARCH AND INTO A RE-MILLABLE REJECTED MATERIAL, REMOVING THE FLOUR, THEREAFTER IMPACTING THE REJECTED MATERIAL TO OBTAIN ADDITIONAL FLOUR THEREFROM, THEREAFTER TREATING THE ADDITIONALLY OBTAINED FLOUR TO OBTAIN A PURE STARCH THEREFROM, SAID TREATING INCLUDING THE STEPS OF SLURRY THE FLOUR WITH WATER, SEPARATING THE STARCH FROM THE FLOUR, AND EXPELLING REJECTED MATERIAL WHILE DRYING THE STARCH THUS OBTAINED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |