Disposable microtiter stick
CA 1289871 C · Owner: Henry, Wayne M. · Inventors: Henry, Wayne M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A disposable microtiter stick used in performing chemical immunoassay tests to determine allergies and ailments of humans and animals that comprises an elongated one-piece flat bottomed polystyrene stick having a series of shallow lense-bottomed wells and a handle estension projected from one end thereby by which the stick can be grasped and lifted. The wells are made shallows so they can be emptied simultaneously on taking the handle and with but a flip of the stick by snap of the wrist instantly ridded of their entire contents. A raised boundary border extends about the top face of the stick surrounding all of the wells so that all wells are filled all at one …
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 October 1, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2008.
- 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.