Building construction
CA 1303379 C · Owner: Ostspenn Holding A/S · Inventors: Thoresen, Bjorn O.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A b s t r a c t, A means for joining concrete beams and columns for building structures. Adjacent parts of columns and beams to be joined are provided with imbedded joint fittings which can be engaged with each other for jointing the beams and the columns when erecting the building structure. Each joint unit comprises the following parts: a) a support casing or box (12,32,124) which is imbedded in the end of the beam (10,60,124), said box (12,32) being open and in flush with the transverse end surface of the beam, b) a complementary support casing or box (4,32,112) imbedded in the column (2,30,110) for each beam said box being open towards the side surface of the column and running flush …
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 June 16, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 16, 2009.
- 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.