Syringe cartridge
CA 1203136 A · Owner: American Hospital Supply Corporation · Inventors: Urbaniak, Ray
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a method for filling a cartridge which can be subsequently capped and closed. This is done by filling to a discrete level and then applying a closure. A displacement dome is provided at the lower portion of the syringe cartridge closure to first displace a predetermined amount of air or gas and then to displace a minor amount of fluid upon closure to seal the cartridge and insure zero, head space. The entirety of the process of filling is done in a vented environment, and the closure applied at ambient. The invention also provides an apparatus which includes a syringe cartridge having its open lower portion closed by a plunger piston. The upper portion is closed by a syringe …
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 April 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 2003.
- 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.