Access assembly for underground irrigation system and accessing assemblycooperable therewith
CA 1287655 C · Owner: Meyer, Larry P. · Inventors: Meyer, Larry P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Apparatus (10) for enabling a sprinkler head assembly (12) to be detachably mounted on an irrigation system riser pipe (14) containing water under pressure in accessed relation to the water under pressure within the riser pipe. The apparatus comprises an access assembly (16) adapted to be rigidly secured to the riser pipe and an accessing assembly (18) adapted to be rigidly secured to the sprinkler head assembly. The access assembly include separate main and pilot pressure valve mechanisms (48 and 122) containing the water under pressure within the riser pipe. Both assemblies include detachable interengaging connectors (138 and 140) for establishing a mechanical …
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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 August 13, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 2008.
- 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.