Swing training apparatus
CA 1057324 A · Owner: Oppenheimer, Jess · Inventors: Oppenheimer, Jess
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for use by one manipulating a device to be swung such as a golf club, bat or the like. A flexible cord is anchored at one end thereof and has the opposite end affixed to the device to be swung at a point displaced from the grip end thereof. Means slidably engages the cord between the ends thereof to shorten and lengthen the amount of cord available between the slide means and the point of attachment to the swing device as the device is swung by the user. In one embodiment the cord is threaded through a tubular member disposed to permit additional cord to be pulled therethrough as a swing is executed while in an additional embodiment, a slider traverses a guide mechanism during 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 June 26, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 1996.
- 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.