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Expired Canadian patentCanada

Electromechanical adjusting instrument

CA 2577965 C · Owner: Keller, Tony J. · Inventors: Keller, Tony J.; Colloca, Christopher J.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A chiropractic adjusting instrument comprising a housing; a thrust nose piece and , an impact head to contact a body; a preload switch plunger; a dampening spring; a , solenoid having a core; a preload spring; a recoil spring; an electronic pulse system , operatively connected to a power source to provide alternating current for energizing the , solenoid to impart impulse energy from the core to the thrust nose piece which is , reproducible and independent of the power source; and a trigger system for triggering the , electronic pulse system comprising an switch activated by the preload switch plunger. , Preferably, the chiropractic adjusting instrument includes one or more of the …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed August 26, 2005 and granted July 29, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 26, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 26, 2005
GrantedJuly 29, 2014
Term endedAugust 26, 2025
Patent numberCA 2577965 C
Classification (IPC)A61H23/02 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedAug 26, 2005Patent grantedJuly 29, 2014Term endedAug 26, 2025

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.