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Canadian application, no grantCanada

Push-on bolt stabilizer

CA 2428221 A1 · Owner: Siegal, David M. · Inventors: Siegal, David M.

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

The invention provides for a retainer for stabilizing a threaded member. The retainer, may include a base portion having an opening and an outer perimeter lying in a first plane, the, opening having a plurality of elongated sections each extending toward the outer perimeter so, as to define in the base portion one or more arms. Each of the arms may have a head section, having at least one groove the head sections being located in a second plane which is parallel, to and spaced apart from the first plane. The elongated sections may be symmetrically, arranged about an axis. The grooves may be arranged to define at least a portion of a helix. The outer perimeter of the retainer may be …

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

  • Filed May 8, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 8, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 8, 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.
FiledMay 8, 2003
GrantedNo grant recorded
Term endedMay 8, 2023
Patent numberCA 2428221 A1
Classification (IPC)E03D11/16

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedMay 8, 2003Term endedMay 8, 2023

Sources & verification

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