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Prior Art/Davis/U.S. Patent 4,458,420
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Author
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Kurtis Dwight Davis
Member
Registered: August 2010
Location: Oklahoma countryside
Posts: 68
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Sat August 27, 2011 9:55am
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Here gentlemen, is concrete proof that patent 4,458,420 fully addresses use of a "rod, tang connecting" for use as a shear pin means (as per claim #1, 4,458,420). The specially shaped tang of Dickerman is almost identical to current M-9. Dickerman tang/rod allows '420 to fully anticipate the current M-9 construction. All prior art cited by Davis comes about due to his free choice, and is carefully selected so as to define the invention of patent 4,458,420. Not one single portion of the document was forced upon me, including the exact title. Every bit of it represents free, intentional choice, so as to adequately describe and protect invention. It is generally understood that a patent document defines what is invented, not the opposite. Here is evidence that Davis associated the M-9 hilt assembly with impact resistance & modularity, long before Charles Albert Finn ever even thought about it.
Whatever entitles Finn to such rod, establishes Davis' prior claim, especially if such M-9 rod is proven to function according to Davis' clevis, and descriptions of it. Destructive scientific tests are required in this regard. Adequate results of such tests have been sent to Super Moderator Bill Porter (via U.S. mail, over one year ago). Finn cites Davis in his '356, meaning the M-9 cannot selectively shear, without infringing Davis, who is equally entitled to Dickerman---as means of selective, repairable shear. Since the current M-9 DOES provide selective, repairable shear, conjoined with modularity, it infringes Davis. (In other words, Davis is entitled to have '420 lawfully applied to M-9 operation, and when done with destructive testing, claim #1 fully applies.) (The M-9/Finn patent cites Davis---therefore the M-9 cannot provide selective, repairable shear, without infringing Davis '420.) It is to be further understood that M-9 configu ration (method of construction) simultaneously provides required modularity from those same elements providing impact resistance.
Technical Note From Davis Patent Language: "THE DEVICE CAN INVOLVE ANY OF A COMBINATION OF ELEMENTS ALSO WELL KNOWN IN THE ART." (What did the Patent Office actually approve of, and what art was Davis referring to???)
Please be advised additional information concerning U.S. Patent 4,458,420 is available at www.kurtisddavis.com ; menu option "State-of-the-Art" is especially relevant.
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