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US3720518A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for the manufacture of a concentrated coffee product

Assignee: General Foods Corp
•
Filing: 1971-02-23
•
Granted: 1973-03-13
•
Expires: 1991-02-23
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Abstract

Abstract A PROCESS WHEREBY A HIGH CONCENTRATION COFFEE EXTRACT CONTAINING ABOUT 30 TO 40% SOLIDS BY WEIGHT OF THE EXTRACT CAN BE PRODUCED IN AN ORDINARY PERCOLATOR SET WITHOUT INCURRING ANY SIGNIFICANT LOSS OF EXTRACTION YIELD. THE KEY STEP IN THE PROCESS OF THIS INVENTION IS THE USE OF INTERCOLUMN CONCENTRATION PRIOR TO THE FRESH STAGE IN A PERCOLATOR SET. THE CONCENTRATED EXTRACT IS ADVANTAGEOUSLY USED IN FURTHER PROCESSING TO PRODUCE A SOLUBLE COFFEE PRODUCT.

Inventors

  • 👤 G Galdo
  • 👤 I Adler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:03
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/24; A23F5/26; A23F5/262

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1976-03-12 1976-09-11 1977-03-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-03-12 1980-09-11 1981-03-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-03-12 1984-09-11 1985-03-13 $7700.00 Window Closed / Lapsed

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