Method and apparatus for making commercial crustless sandwiches and the crustless sandwiches made thereby
CA 2356035 A1 · Owner: Valenzky, Robert John Jr. · Inventors: Valenzky, Robert John Jr.; Eberhart, Duane Nathan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of making a crustless sandwich from two slices of bread with outer crusts, the, method comprising: placing a first slice of bread on a platen; forming a mass of a first food spread, onto the central portion of the first slice of bread in a position spaced inwardly from a marginal area, where the mass is formed with an inner lower layer with an outer rim extending upwardly from the, lower layer to define a closed pocket or receptacle recess in the mass; placing a second food spread, in the receptacle recess; closing the receptacle recess with a layer of the first food spread generally, coextensive with the mass and supported on the outer rim of the mass to encapsulate the …
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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 28, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 28, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 2023.
- 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.