Eavestrough hanger
CA 1310167 C · Owner: A.O. Smith Enterprises Ltd. · Inventors: Fairgrieve, Donald F.; Mcgowan, Vince J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An eavestrough system comprises a particular eavestrough section having inwardly directed locking flanges adjacent opposed upper edges thereof. This eavestrough section is designed to cooperate with a hidden hook having a cored base portion which cooperates with a cantilevered arm which supports the eavestrough at the free end thereof. A downwardly opening locking slot is provided at the junction of the arm and base.
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 November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 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.