System for dispensing coreless rolls of product
CA 2298829 A1 · Owner: Mahaffey, Cleary Efton · Inventors: Gantt, Donald Lee; Gemmell, Bruce Mclean; Mahaffey, Cleary Efton
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for dispensing coreless rolls of product (12 710). The system , includes: (1) a rotary dispenser (10 40, 100) including a frame (14, 42, 102) a mounting means, and a pair of cooperating plungers (28 52, 114), each , plunger (28, 52, 114) including: a base the base being fixed to the frame; a , distal end the distal end having a radius of curvature; and a central shaft the central shaft connecting the base and the distal end and providing sufficient length so the plunger (28, 52 114) has a length at least as great , as its widest dimension so the plunger (28 52, 114) is adapted to penetrate a , mounting hole (800) defined at an end of a coreless roll product (12 710), and (2) 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
- Filed September 4, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 4, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 4, 2020.
- 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.