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Expired Canadian patentCanada

High efficiency portable seismograph for measuring seismic tremor

CA 2588796 C · Owner: Mucciarelli, Marco · Inventors: Albarello, Dario; Castellaro, Sylvia; Mulargia, Francesco

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Abstract From the Canadian patent

Portable seismograph (1) comprising a support and containment structure (2) a , bottom portion (3) of which is made of a material having a seismic impedance value ranging between 2x105 and 4x106 kg/m2s three sensors (4) placed , orthogonally to one another each comprising at least one electrodynamic or capacitive transducer and, attached to the bottom portion (3) a level (11) to , position the support and containment structure horizontally a control unit , (5) connected to the sensors (4) for viewing managing the acquisition mode, recording and processing the data a power source (9), and means for coupling to the ground (12; 21) designed not perturb the seismic tremor detectable by 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 July 18, 2005 and granted August 13, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 18, 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.
FiledJuly 18, 2005
GrantedAugust 13, 2013
Term endedJuly 18, 2025
Patent numberCA 2588796 C
Classification (IPC)G01V1/24

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJuly 18, 2005Patent grantedAug 13, 2013Term endedJuly 18, 2025

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