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Expired Canadian patentCanada

Laser alignment system for small arms

CA 2188544 C · Owner: Healey, Fritz W. · Inventors: Parikh, Himanshu N.; Healey, Fritz W.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An electro-mechanical fixture automatically aligns a laser transmitter bolted to the stock of a rifle for subsequent use by a solder in war games. A rectangular hollow case is horizontally oriented and a hinged end cover is swung upwardly toreveal an LCD display and keypad of a control unit. A sliding rack is extended horizontally from a base unit inside the case. The barrel of the rifle is supported on a weapon rest mounted to the base unit and the trigger guard or clip receptacle is mounted in a vise on the rack. The vise has knobs for adjusting the azimuth and elevation of the weapon, thereby permitting the soldier to aim at an image of a target reticle. An optics unit is mounted on a …

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 April 28, 1995 and granted March 27, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 28, 2015.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 28, 2017.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 28, 1995
GrantedMarch 27, 2001
Term endedApril 28, 2015
Patent numberCA 2188544 C
Classification (IPC)F41A33/02 +2 more

Timeline

Timeline From CIPO dates

1996199820002002200420062008201020122014Application filedApril 28, 1995Patent grantedMarch 27, 2001Term endedApril 28, 2015

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.