Seat maximizing useable space for sitting and sleeping
CA 1305652 C · Owner: Lee, Kan-Chee · Inventors: Lee, Kan-Chee
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Application Number: 605,011-5, Filed Date: 07-July-1989 Division: DI, Class: 155/0008.4, Applicant: LEE KAN CHEE, Title: A SEAT MAXIMIZING USEABLE SPACE FOR SITTING AND SLEEPING ABSTRACT, A seat maximizing useable space for sitting and sleeping is supporting a human body in space. A bottom plate and a back plate are interhinged and supported by a base. The bottom and back plates rotating and sliding simultaneously in the guided directions are constituted by the orientations of the guides and pins and a moveable pivot moves in, an angled guide to maximize useable spaces on horizontal and vertical directions. The angle between the bottom and back plates is functioning from 90 degrees to 180 …
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 July 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 28, 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.