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US3687877A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of producing molded articles from coffee bean hulls

Assignee: IND DE CASCARILLAS CISCANA SA
•
Filing: 1970-04-29
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Granted: 1972-08-29
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Expires: 1990-04-29
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Abstract

Abstract THE METHOD OF MAKING A MOLDED PRODUCT FROM COFFEE BEAN AND RICE HULLS IN WHICH THE HULLS ARE COATED WITH A PHENOL FORMALDEHYDE RESIN, COLD MOLDED INTO A PREFORM AND THEN MOLDED UNDER HEAT AND PRESSURE TO FORM A HEAT SET CURED PRODUCT.

Inventors

  • 👤 Leslie A Runton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:55
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/04; C08L61/06; Y; Y10; Y10T; Y10T428/00; Y10T428/25

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) 1975-08-29 1976-02-28 1976-08-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-08-29 1980-02-28 1980-08-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-08-29 1984-02-28 1984-08-29 $7700.00 Window Closed / Lapsed

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