Patent Yard Sign in
Expired Canadian patentCanada

Universal machine for the soft machining of bevel gears and corresponding method

CA 2616628 C · Owner: Kirsch, Roger · Inventors: Lamsfuss, Harald; Kirsch, Roger; Ozdyk, Klaus

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

The invention relates to a device for use in production of bevel gears. The device comprises a turning machine (22) with a working spindle (22.1) and a , counter-holder (23) arranged co-axially to a rotational axis (Bl) of the working spindle (22.1) for the coaxial tensioning of a workpiece blank (Kl). A multi-functional tool holder (24) is provided which may be displaced relative , to the workpiece blank (Kl) held in the turning machine (22) and comprises a tool base (25) mounted to rotate about an axis (B2). The tool base (25) is provided for fixing one or more tools. A tool housing (26) with milling head (27) is provided, the tool housing (26) being displaceable relative to the …

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

  • Filed July 28, 2005 and granted January 14, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 28, 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 28, 2005
GrantedJanuary 14, 2014
Term endedJuly 28, 2025
Patent numberCA 2616628 C
Classification (IPC)B23F21/16 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJuly 28, 2005Patent grantedJan 14, 2014Term endedJuly 28, 2025

Sources & verification

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