Mobile ballast clearing and planing machine
CA 1312786 C · Owner: Hansmann, Johann · Inventors: Worgotter, Herbert; Hansmann, Johann; Theurer, Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mobile machine for clearing and planing ballast comprises a machine frame, undercarriages supporting the machine frame for mobility on the railroad track at least, one vertically and transversely adjustable ballast clearing tool connected to the machine frame for clearing ballast laterally outwardly of a respective rail and for planing the ballast upon vertical and transverse adjustment of the tool, the tool being longitudinally adjustably mounted on the machine frame for adjustment in the direction of the railroad track supported by the ballast and drives, connected to the tool for vertically transversely and, longitudinally adjusting the tool. 1704K
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 January 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 19, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.