Procedural user interface
CA 2116772 C · Owner: Barrett, Willard H. · Inventors: Barrett, Willard H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A simplified procedural user interface ("PUI") for controlling the operation of a computer (300), defined in terms of the steps or procedures required to do a given operation. The PUI acts as a graphical checklist that indicates to the user what has to be done and then controls the operation of the computer required to implement the operation. The PUI provides a linked icon representation of a user's task in a series of hierarchical panels (50). The linked icons (58 60, 62) indicate the steps a user must go through to complete a task using the computer. The hierarchical panels on which the icons reside provide a means to logically group related task steps. The underlying concept is to …
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 August 26, 1993 and granted September 22, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 26, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 26, 2015.
- 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.