Methods and apparatus for bursting perforated paper stock
CA 2579704 C · Owner: Transact Technologies Incorporated · Inventors: Hilsdorf, Steven P.; Weeks, David E.; Harris, Bruce
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and apparatus for bursting perforated paper stock are provided. A feed mechanism is provided for feeding perforated paper stock in a feed direction along a paper path in a printer. The perforated paper stock has sections separated by perforations. A loop area is provided in the printer for accumulating one of the sections of the perforated paper stock. A burst element is provided for bursting a perforation of the accumulated section. In order to burst the perforation of the accumulated section the feed direction , is reversed to draw the perforation of the accumulated section against the burst element, thereby separating the section from the perforated paper stock. A paper …
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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 June 24, 2005 and granted July 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 24, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.