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US3575786A Expired / Lapsed US ⏱️ 0.0 years remaining

Shield interlayer for spall suppression

Assignee: Goodyear Aerospace Corp
•
Filing: 1968-12-26
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Granted: 1971-04-20
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Expires: 1988-12-26
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Abstract

Abstract A DUAL LAYER COMPOSITE LAMINATE CONSISTING OF BALLISTIC NYLON FELT WITH A PERIPHERAL SEAL COAT AND A URETHANE ELASTOMER, BONDED TO THE INTERNAL SURFACE OF A WALL, FLOOR, OR OTHER PART OF VEHICLE STRUCTURE. THE FELT SIDE IS PLACED AGAINST THE STRUCTURE, TO BE PROTECTED, AND THE URETHANE SIDE IS EXPOSED. THE NYLON FELT IS AN EFFICIENT FRAGMENT CATCHER, AND ALSO PROVIDES STAND-OFF WHICH ALLOWS THE CONE OF SPALL TO EXPAND AND BE SUPPRESSED INSTEAD OF FOLLOWING THE PROJECTILE DIRECTLY THROUGH THE WOUND. THE URETHANE ELASTOMER SURFACE IS HIGHLY RESTRICTIVE AND TEAR RESISTANT. IT CONSTRICTS THE SPALL PATTERN AND KEEPS THE FELT FROM SPREADING EXCESSIVELY AS A PROJECTILE PASSES THROUGH.

Inventors

  • 👤 Ronald E Baker
  • 👤 Richard L Cook
  • 👤 Edwin C Slagel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 07:19
CPC Classifications
F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0442; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/26; Y10T428/269; Y10T442/00; Y10T442/50; Y10T442/59

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) 1974-04-19 1974-10-19 1975-04-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-04-19 1978-10-19 1979-04-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-04-19 1982-10-19 1983-04-20 $7700.00 Window Closed / Lapsed

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