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Canadian application, no grantCanada

Anti-rollover device

CA 2304545 A1 · Owner: Bardhan, Bibhuti Bhusan · Inventors: Bardhan, Bibhuti Bhusan

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

This is a device or a set of mechanisms that prevents or minimizes the possibility of rollover of a vehicle, turning more sharply than is safe. This is achieved by means of a computer continuously calculating the, safe limit of sharpness (that is acuteness or abruptness) of turning of the wheels (and, therefore, of the, steering wheel) at any given speed with any given load in the vehicle, with prevailing road condition, state, of tires etc. etc. and not allowing the wheels (and ultimately, the , steering wheel) to turn or letting it pass, through increasing amount of difficulty as it tends to turn beyond that said , safe limit of sharpness of turning, or, alternatively, automatically …

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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

  • Filed April 11, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 11, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 11, 2022.
  • 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 11, 2000
GrantedNo grant recorded
Term endedApril 11, 2020
Patent numberCA 2304545 A1
Classification (IPC)B60R21/13 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedApril 11, 2000Term endedApril 11, 2020

Sources & verification

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