Mark-bearing support for dental x-ray film pack
CA 1314420 C · Owner: Tanaka, Hiroyuki · Inventors: Tanaka, Hiroyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mark-bearing support for a dental X-ray film pack is disclosed. The support has an X-ray pervious bite portion to be clenched between upper and lower teeth and a support portion for temporarily holding the dental X-ray film pack thereon. The support portion is provided with a mark formed of an X-ray impervious material such as a lead-containing ink. Since the mark formed of the X-ray impervious material is provided on the support for the dental X-ray film pack it requires, neither the additional provision of any conventional mark-bearing sheet or mark-applying apparatus nor any additional step for the application of a mark. Further a dentist or X-ray technician is not troubled by the …
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 March 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 16, 2010.
- 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.