A core for a roll of material
CA 2584704 C · Owner: Real Time Logistics Solutions Limited · Inventors: Milton, Peter George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A core (16) for a roll of material, which core (16) comprises a body portion (18), a first member which is removably secured to a first end (22) of the body portion (18), a first bore (24) through the first end member (20) a , second end member (26) which is removably secured to a second end (28) of the body portion (18), a second bore through the second end member (26) a third , bore (30) through the body portion (18) the first, second and third bores all having a common longitudinal axis, the first bore (24) having a smooth inner surface (32) whereby the first bore (24) is ale to receive a chuck (34) such that centering of the chuck (34) is facilitated by the smooth inner surface of …
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 September 23, 2005 and granted November 26, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 23, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.