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US3608183A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of fabricating a reinforced material

Assignee: Individual
•
Filing: 1969-03-27
•
Granted: 1971-09-28
•
Expires: 1989-03-27
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Abstract

Abstract A METHOD FOR PRODUCING A COMPOSITE MATERIAL AND THE IMPROVED MATERIAL STRUCTURE WHICH IS COMPOSED OF A MATRIX AND A PLURALITY OF REINFORCING ELEMENTS WHICH ARE COMBINED WITHIN SAID MATRIX TO FORM A UNITARY STRUCTURE THREWITH. THE REINFORCING ELEMENTS MAY COMPRISE METAL WIRES, FILAMENTS OR WHISKERS DISPOSED WITHIN A CERAMIC MATRIX OR SUBSTRATE WHEREIN THE FILAMENTS SERVE TO REINFORCE THE MATRIX MATERIAL. THE PROCESS INVOLVES CONTINUOUSLY FEEDING A PLURALITY OF FILAMENTS AND MATRIX MATERIAL TO A DIE AND THEREAFTER PREDETERMINANTLY FORMING A CONTINUOUS SHAPE THEREOF. IN ONE FORM, THE FILAMENTS OR WHISKERS ARE CONTINUOUSLY FORMED AS THEY ARE FED TO THE DIE OR MOLD EMPLOYED TO FORM THE COMPOSITE MATERIAL, THE FILAMENTS MAY ALSO BE FABRICATED OF GLASS, CERAMIC, POLYMERS OR CARBONIZED MATERIAL WHICH MAY BE RANDOMLY OR EVENLY DISPERSED WITHIN THE MATRIX MATERIAL.

Inventors

  • 👤 Jerome H Lemelson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 05:59
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/71; B; B21; B21F; B21F17/00; C22; C22C; C22C47/00; C22C47/08; B22; B22F; B22F2998/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49801; Y10T29/4998; Y10T29/49988; Y10T29/49991

Claims Analysis

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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) 1974-09-27 1975-03-29 1975-09-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-27 1979-03-29 1979-09-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-27 1983-03-29 1983-09-28 $7700.00 Window Closed / Lapsed

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