Bend limiting stiff leader and retainer system
CA 2000672 C · Owner: Hughes Aircraft Company · Inventors: Schotter, Daniel K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordNo Claude kit for weapons
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Abstract From the Canadian patent
A fiberoptic leader (20) connected between a missile (10) and a launch tube is paid out upon missile launch with a controlled degree of bend in the fiberoptic filament (50), and is furthermore protected from blast effects in the launch. The fiberoptic filament (50) is stiffened within a leader (30) comprised of a TEFLON sleeve (52) insulating the fiberoptic filament (50). A protective sheathing of high tensile strength longitudinally wires (54) are disposed about and encase the TEFLONTM sleeve (52) and in turn are encased within an outer sleeve. The stiffened leader is led along the longitudinal length of a retainer (20) attached to the side of the missile. The retainer (20) is disposed …
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 October 13, 1989 and granted April 19, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 13, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 13, 2011.
- 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.