Patent Yard Sign in
Expired Canadian patentCanada

Method of making an acceleration hardened resonator

CA 1332668 C · Owner: Ballato, Arthur · Inventors: Ballato, Arthur

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

An acceleration hardened resonator is made by a method including the steps of:, (A) manufacturing and mounting the resonator (B) performing acceleration tests to determine acceleration sensitivity, (C) changing interaction of motional distribution with a stress field of the resonator in order to reduce the acceleration sensitivity, and, (D) repeating steps (B) and (C) until a minimal acceleration sensitivity is obtained.

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 October 25, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 25, 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.
FiledAugust 9, 1989
GrantedOctober 25, 1994
Term endedOctober 25, 2011
Patent numberCA 1332668 C
Classification (IPC)B44C1/22 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedAug 9, 1989Patent grantedOct 25, 1994Term endedOct 25, 2011

Sources & verification

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