Dosing pistol
CA 1189751 A · Owner: Bayer Aktiengesellschaft · Inventors: Sachs, Hermann; Bayer, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Dosing Pistol, Abstract, The dosing pistol is based on a manually actuated positive-displacement pump with a cylindrical housing (1) a product space (2) and a connecting rod (3) with the handle (5). By pulling on the handle (5) the quantity of liquid located in the product space (2) is displaced and flows out forwards through the central bore (19) in the connecting rod (3). The product space (2) is sealed off from the housing (1) by means of a funnel-shaped rubber diaphragm (10) resistant to medicaments and solvents. Non-return valves (22,20) are located at the inlet and outlet of the product space. The sealing-off of the product space (2) by means of the funnel-shaped diaphragm (10) …
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 July 2, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 2, 2002.
- 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.