Apparatus for use in exercising the abdominal muscles
CA 1256467 A · Owner: Colonello, Dennis J. · Inventors: Colonello, Dennis J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
APPARATUS FOR USE IN EXERCISING THE ABDOMINAL MUSCLES ABSTRACT OF THE DISLOSURE:, Apparatus for use in exercising the abdominal muscles which, improves the physiological effectiveness of the familiar sit-up exercise, is disclosed. The apparatus is comprised of a specially shaped basin which cradles the pelvis while at the same time the lumbar spine is supported by a longitudinal support portion. The angulation between the pelvic basin and the lumbar support portion is arched convexly superiorly to accommodate the anatomical transition between the sacrum and the lumbar spine. A rocker portion thereby properly activates the several abdominal muscle groups during use. The rocker portion also …
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 June 27, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 27, 2006.
- 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.