Patent Yard Sign in
Expired Canadian patentCanada

Corona discharge thermotherapy technique

CA 1295688 C · Owner: Adm Tronics Unlimited, Inc. · Inventors: Di Mino, Alfonso

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

Inventor: Alfonso Di Mino, a citizen of the United States of America and resident of Woodcliff Lake, New Jersey, ABSTRACT OF THE DISCLOSURE A non-invasive thermotherapy technique for relieving pain and obtaining other beneficial effects. In this technique the skin surface of a patient overlying a problem region such as an arthritic joint is scanned by a corona discharge beam emanating from a discharge electrode to which is applied periodic bursts of radio-frequency energy whose repetition rate is at a sonic frequency and whose peak amplitude is such as to cause a corona discharge. This energy is derived from a radio-frequency carrier generator whose operating frequency is preferably in the …

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 February 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 11, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 27, 1987
GrantedFebruary 11, 1992
Term endedFebruary 11, 2009
Patent numberCA 1295688 C
Classification (IPC)A61N1/32 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedApril 27, 1987Patent grantedFeb 11, 1992Term endedFeb 11, 2009

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.