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US3431818A Expired / Lapsed US ⏱️ 0.0 years remaining

Lightweight protective armor plate

Assignee: Aerojet Rocketdyne Inc
•
Filing: 1965-04-26
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Granted: 1969-03-11
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Expires: 1985-04-26
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Abstract

No abstract record available.

Inventors

  • 👤 Harry A King

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 18:49
CPC Classifications
F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0414; F41H5/0492

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 164 words
A LIGHTWEIGHT ARMOR PLATE FOR PROTECTING AN AREA AGAINST HIGH ENERGY PARTICLES, SUCH AS PROJECTILES, BY RESISTING THE PENETRATION THEREOF, SAID ARMOR PLATE COMPRISING (A) A BODY OF NON-METALLIC, SHATTER-RESISTANT MATERIAL, (B) A PLURALITY OF SPHERICAL FRAGMENTATION-INDUCING AND ENERGY-DISSIPATING ELEMENTS EMBEDDED IN SAID NON-METALLIC BODY SO AS TO BE RIGIDLY HELD IN PLACE THEREBY, SAID SPHERICAL FRAGMENTATION-INDUCING AND ENERGY-DISSIPATING ELEMENTS BEING ARRANGED IN AT LEAST ONE LAYER AND IN SPACED RELATIONSHIP WITH RESPECT TO EACH OTHER IN SAID BODY, (C) SAID PLURALITY OF SPHERICAL FRAGMENTATION-INDUCING AND ENERGY-DISSIPATING ELEMENTS BEING INVIDUALLY SHATTERABLE IN RESPONSE TO THE IMPACT OF A HIGH ENERGY PARTICLE THEREAGAINST TO CAUSE THE HIGH ENERGY PARTICLE TO BE BROKEN INTO FRAGMENTS FOR DISSIPATING THE FORCE OF THE HIGH ENERGY PARTICLE WHILE TENDING TO DIVERT THE PATH TAKEN BY THE FRAGMENTS OF THE HIGH ENERGY PARTICLE. (D) LAYERS OF ANTI-SPALLING MATERIAL IN SAID BODY AND RESPECTIVELY DISPOSED FORWARDLY AND REARWARDLY OF SAID SPHERICAL FRAGMENTATION-INDUCING AND ENERGYDISSIPATING ELEMENTS TO DEFINE CONFINING BOUNDARIES THEREFOR, AND
Claim 2
Dependent Claim 164 words
A LIGHTWEIGHT ARMOR PLATE FOR PROTECTING AN AREA AGAINST HIGH ENERGY PARTICLES, SUCH AS PROJECTILES, BY RESISTING THE PENETRATION THEREOF, SAID ARMOR PLATE COMPRISING (A) A BODY OF NON-METALLIC, SHATTER-RESISTANT MATERIAL, (B) A PLURALITY OF SPHERICAL FRAGMENTATION-INDUCING AND ENERGY-DISSIPATING ELEMENTS EMBEDDED IN SAID NON-METALLIC BODY SO AS TO BE RIGIDLY HELD IN PLACE THEREBY, SAID SPHERICAL FRAGMENTATION-INDUCING AND ENERGY-DISSIPATING ELEMENTS BEING ARRANGED IN AT LEAST ONE LAYER AND IN SPACED RELATIONSHIP WITH RESPECT TO EACH OTHER IN SAID BODY, (C) SAID PLURALITY OF SPHERICAL FRAGMENTATION-INDUCING AND ENERGY-DISSIPATING ELEMENTS BEING INVIDUALLY SHATTERABLE IN RESPONSE TO THE IMPACT OF A HIGH ENERGY PARTICLE THEREAGAINST TO CAUSE THE HIGH ENERGY PARTICLE TO BE BROKEN INTO FRAGMENTS FOR DISSIPATING THE FORCE OF THE HIGH ENERGY PARTICLE WHILE TENDING TO DIVERT THE PATH TAKEN BY THE FRAGMENTS OF THE HIGH ENERGY PARTICLE. (D) LAYERS OF ANTI-SPALLING MATERIAL IN SAID BODY AND RESPECTIVELY DISPOSED FORWARDLY AND REARWARDLY OF SAID SPHERICAL FRAGMENTATION-INDUCING AND ENERGYDISSIPATING ELEMENTS TO DEFINE CONFINING BOUNDARIES THEREFOR, AND

References Cited (Backward Citations)

US663961A Cited
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US1463498A Cited
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US2318301A Cited
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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) 1972-03-10 1972-09-09 1973-03-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-03-10 1976-09-09 1977-03-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-03-10 1980-09-09 1981-03-11 $7700.00 Window Closed / Lapsed

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