Preknotted adjustable necktie
CA 1308517 C · Owner: Chen, Jiann-Jong · Inventors: Chen, Jiann-Jong; Chen, Ching-Hwa
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A preknotted adjustable necktie comprises a knot former having, an inner body (62) and an outer body (61), an inner tie member with a zipper (3) an outer, tie member (5), and a rivet (63). The knot former serves forming and control functions, and the inner tie member is sandwiched between the inner and outer bodies thereof, with a pulling button of the zipper slider on the inner tie member secured to the inner and outer bodies cf the knot former and to the outer tie member by a rivet. The outer tie member is tied into a fixed knot over the knot former. By means of the presence of a pair of leaf springs (622) on the inner body the, position of the tie knot and the zipper slider can be …
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 October 13, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 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.
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.