Environmental sealing
CA 2063429 A1 · Owner: Vanhentenrijk, Robert · Inventors: Read, Michael; Vanhentenrijk, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of forming a branch-off seal between a heatshrinkable sleeve and at least two spaced-apart elongate substrates, which comprises the steps of: (a) positioning the substrates within the heat-shrinkable sleeve (4); (b) positioning between the substrates and within the sleeve at an open end thereof a plug (15) having a larger crosssectional size at a first position away from said open end and a smaller cross-sectional size at a second position towards said open end; (c) positioning a heat-activatable sealing material at the first position; (d) forming shrinkable conduits in the sleeve by positioning one or more clips (2,3) at the open end of the sleeve such that the substrates and the …
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
- Filed July 17, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 17, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 17, 2012.
- 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.