Patent Yard Sign in
Expired Canadian patentCanada

Ultrasonic scanning device with elastic bumper

CA 1263735 C · Owner: Eventoff, Arnold T. · Inventors: Newman, Wyatt S.; Eventoff, Arnold T.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Ultrasonic scanning device with elastic bumper. An ultrasonic scanning device includes a stator (10) and a rotor (12) pivotably mounted on the stator for oscillation around the axis of rotation. The rotor (12) has two elastic bumper stops (22) spaced from the axis of rotation and spaced from each other. An elastic bumper (24) is attached to the stator (10) and arranged between the bumper stops (22). The resulting scanning device conserves energy by converting kinetic energy in one direction to potential energy, and then by converting the potential energy back into kinetic energy in the opposite direction.

Read the whole patent

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

  • Granted December 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 5, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 20, 1985
GrantedDecember 5, 1989
Term endedDecember 5, 2006
Patent numberCA 1263735 C
Classification (IPC)G10K11/00 +1 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedDec 20, 1985Patent grantedDec 5, 1989Term endedDec 5, 2006

Sources & verification

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