Template assembly and method for marking field lines on a football playing surface
CA 2439016 A1 · Owner: Onstad, Jay Russell · Inventors: Onstad, Jay Russell
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A template assembly comprising at least one marking template comprising a pair of side rails and a pair of end rails integrally connected at their ends to substantially form, a rectangular-configured frame; and a plurality of marking pans situated within and, fixedly attached to the rectangular-configured frame each having a bottom , facing plate, and an upwardly extending wall along the perimeter thereof to substantially form a, receptacle for holding and collecting marking media used in establishing the field line, the bottom facing plate comprising a rectangular-shaped opening having geometric, dimensions substantially equivalent to the width and length of a field line typically, …
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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 29, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 29, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 29, 2025.
- 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.