Antistasis device
CA 1215828 A · Owner: Rangaswamy, Avvari · Inventors: Rangaswamy, Avvari
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pair of foot attachments for performing leg exercises so as to facilitate efficient pumping action of blood from deep leg veins. Each foot attachment incorporates a high sock with a flexible foot panel connected by springs to a more rigid panel. The present invention permits its utilization by a patient in either a sitting position as when the, patient is sitting in a chair or on the side of a bed or in, a supine position, where the patients' calves can be positioned against a panel from which is hinged a second panel that provides a surface against which the rigid panels of the foot attachments are placed.
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 December 30, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 30, 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.