Apparatus for continuously layup concrete
CA 1108456 A · Owner: Gomaco Corporation · Inventors: Fletcher, Lawrence J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus is provided for continuously laying concrete. This apparatus includes a movable frame with an attachment mounted on the frame for receiving concrete in a plastic condition. A slip-form paving machine is attached to the frame behind the receiving attachment for shaping the concrete into an elongated concrete slab. Apparatus is attached to the frame for forming a continuous groove on at least one edge of the concrete slab. Another attachment is provided on the frame for lining the groove with a lining. A punch mechanism is provided for punching a plurality of holes in the lining. An automatic bar mechanism is also attached to the frame for automatically placing bars into these …
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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 September 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 1998.
- 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.