Highrise family fire escape device
CA 1309993 C · Owner: Bajin, Zivojin Z. · Inventors: Bajin, Zivojin Z.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fire escape device enabling persons to be lowered from tall structures. The device features a cable spool about which a cable is wound for at least one revolution. A helical channel is defined on the outer surface of the cable spool for the cable to ride in and a spool casing is provided to prevent the cable from riding out of the channel. A housing having first and second ends supports the cable spool and spool casing. Housing openings and channel openings are provided to allow the cable to pass into the channel about the spool. Harness supports are also provided at the first and second ends of the housing to hold the harness straps. A person is secured in the harness straps and may 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 November 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 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.