Reinforced jewelry clasp
CA 1267541 C · Owner: Do-All Jewelry Manufacturing Company, Inc. · Inventors: Geldwerth, Simon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A jewelry clasp comprising an angled portion which is subject to stress as a result of the weight of the jewelry to which it is attached, is provided with at least one reinforcement rib positioned and configured to increase the tensile strength of the angled portion. A method of forming a jewelry clasp having at least one reinforcement rib, and attachment means thereon for attachment of the jewelry to the clasp. The attachment means is secured to the jewelry by soldering such that the solder flows into the corresponding groove formed on the outside of the angled portion thereby anchoring the solder connection, and strengthening the at least one reinforcement rib itself.
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 April 10, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 2007.
- 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.