Bung plug locking device
CA 1315115 C · Owner: Wilson, Donald J. Jr. · Inventors: Wilson, Donald J. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A drum locking device which comprises a telescoping locking bar means, one end of which fits into locking relationship with one of a pair of lugged closure members and the other end of which fits over the other of said pair of lugged closure members and a lock securing the device to prevent removal of the contents of the drum.
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 March 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 30, 2010.
- 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.