Service tee for connection to a gas or water main
CA 1312894 C · Owner: Bg Plc · Inventors: Webster, Alan Bernard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Figure 2,3,4 and 5, A service tee comprises a tubular T-piece 1 having a through-portion 2 with a flexible lower end 6 for connection to a gas or water main 70 by way of a hole in the wall of the main and a side branch portion 3 for connection to a service pipe. The end 6 of the through-portion 2 is adapted for initial insertion into the hole in the wall of the main 70 and then for subsequent radial outward expansion so that its surface sealingly engages with the edge of the hole. An expander 4 is provided for location within the end 6 of the through-portion 2 and is adapted in a first position to permit initial insertion of the end of the through-portion into the hole and on movement to a …
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.