Timed pyric chain apparatus for the ignition of pyrotechnical fireworks
CA 2488094 A1 · Owner: Monetti, Carlo · Inventors: Monetti, Carlo; Monetti, Luigi Leone Paolo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A timed pyric chain apparatus, particularly for the ignition of pyrotechnical fireworks comprising a main conduit (2) for a retard fuse (16) said main conduit (2) having lateral branch conduits (5). The apparatus consists of coupled modular means, each modular means consisting of a fuse holder (1) comprising a main conduit (2) in which a retard fuse (16) is to be placed said main conduit being divided into a first portion (3) and a second portion (4), the cross section of the first portion (3) being smaller than the cross section of the second portion (4), the fuse holder further comprising a lateral branch conduit (5) for receiving a wick (17) retainer (11) for a part of its …
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.
Why it's free to use
- Filed June 24, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 24, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 24, 2025.
- 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.