Spacer tube matrix
CA 1316955 C · Owner: Kranis, Daniel Sr. · Inventors: Kranis, Daniel Sr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vehicle frame of box beam construction containing within the box beam a spacer tube matrix or web which positions spacer tubes in alignment with aligned apertures within the sidewall of the box beam. The spacer tubes allow substantial clamping force to be applied by bolts passing thru the aligned apertures to attach vehicle parts to the frame.
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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 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.