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US2678277A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of preserving fruit

Assignee: Food Technology Inc
•
Filing: 1950-05-18
•
Granted: 1954-05-11
•
Expires: 1970-05-18
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Abstract

No abstract record available.

Inventors

  • 👤 Elmer F Glabe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 06:06
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/14; A23B7/153; A23B7/157; A23B7/144

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 127 words
THE METHOD OF PRESERVING FRUIT SUBSTANTIALLY IN FRESH CONDITION WHICH CONSISTS ESSENTIALLY IN THE STEPS OF IMMERSING SOFT TEXTURED FRESHLY PEELED FRUIT SUBSTANTIALLY IN FRESH CONDITION IN AN AQUEOUS LIQUOR CONTAINING 1000 TO 1800 PARTS PER MILLION OF SULFUR DIOXIDE FOR A PERIOD OF TIME SUFFICIENT TO IMPREGNATE THE FRUIT UNIFORMLY THROUGHOUT THE BODY THEREOF WITH 40 TO 90 PARTS PER MILLION OF SULFUR DIOXIDE BASED ON THE WEIGHT OF FRUIT REMOVING SAID FRUIT FROM SAID LIQUOR, EXPOSING SAID IMPREGNATED FRUIT TO AIR FOR A PERIOD OF TIME FOR 5 MINUTES TO 3 HOURS SUFFICIENT TO BRING ABOUT A FIRMING OF THE TEXTURE OF SAID FRUIT BUT UNDER CONDITIONS INSUFFICIENT TO OTHERWISE AFFECT THE PHYSICAL CHARACTERISTICS OF SAID FRUIT, AND ISOLATING THE RESULTANT FRUIT FROM CIRCULATING AIR.
Claim 2
Independent Claim 127 words
THE METHOD OF PRESERVING FRUIT SUBSTANTIALLY IN FRESH CONDITION WHICH CONSISTS ESSENTIALLY IN THE STEPS OF IMMERSING SOFT TEXTURED FRESHLY PEELED FRUIT SUBSTANTIALLY IN FRESH CONDITION IN AN AQUEOUS LIQUOR CONTAINING 1000 TO 1800 PARTS PER MILLION OF SULFUR DIOXIDE FOR A PERIOD OF TIME SUFFICIENT TO IMPREGNATE THE FRUIT UNIFORMLY THROUGHOUT THE BODY THEREOF WITH 40 TO 90 PARTS PER MILLION OF SULFUR DIOXIDE BASED ON THE WEIGHT OF FRUIT REMOVING SAID FRUIT FROM SAID LIQUOR, EXPOSING SAID IMPREGNATED FRUIT TO AIR FOR A PERIOD OF TIME FOR 5 MINUTES TO 3 HOURS SUFFICIENT TO BRING ABOUT A FIRMING OF THE TEXTURE OF SAID FRUIT BUT UNDER CONDITIONS INSUFFICIENT TO OTHERWISE AFFECT THE PHYSICAL CHARACTERISTICS OF SAID FRUIT, AND ISOLATING THE RESULTANT FRUIT FROM CIRCULATING AIR.

References Cited (Backward Citations)

US176754A Cited
US2028970A Cited
US2186549A Cited
US2166072A Cited
US2178675A Cited
US2298933A Cited
US2509299A Cited
US2451313A Cited
US2506793A Cited
US2541859A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-05-10 1957-11-09 1958-05-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-05-10 1961-11-09 1962-05-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-05-10 1965-11-09 1966-05-11 $7700.00 Window Closed / Lapsed

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