Pap smear sampling device
CA 2113088 A1 · Owner: Londish, Sidney · Inventors: Stenning, Henry Martin; Londish, Sidney
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pap smear sampling device (1) for use in the detection of cancer cells in the female cervix (2), said device including a sampling head (5) adapted to engage and scrape the surface of the cervix for collection of sample cells. An elongate handle (6) permits remote rotation and manipulation of the sampling head which, further comprises a probing stem (10) extending generally axially from the handle for insertion into the cervix to collect sample cells from the endocervix. A relatively rigid support portion (13) extends outwardly from the handle or the stem and a relatively, flexible web portion (14) extends generally intermediate the stem and the support portion to define a flexible wiping …
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 July 17, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 17, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 17, 2014.
- 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.