Filter holding means
CA 1084851 A · Owner: Caterpillar Tractor Co. · Inventors: Waggoner, John B.; Latimer, Eugene E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hydraulic tank has a filter element longitudinally attached between first and a second tank sides. The first tank side has means for introducing fluid from outside the first tank side to inside the filter element. A tube with exit means surrounds the filter element and seals at its ends against the first and second element and seals at its ends from outside the elements to inside the tank via the exit means. The second tank side has an opening to allow entry of the element means from outside the tank. A cover seals said tank opening while compressing the filter element towards the first tank side.
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 September 2, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 2, 1997.
- 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.