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Canadian application, no grantCanada

Process for concrete building construction

CA 2068449 A1 · Owner: Pica, Antonio · Inventors: Pica, Antonio

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

A method of constructing a floor structure into a building such that a unitary building structure is formed is, disclosed. The floor structure comprises rows of flooring slab members supported by first and second supporting structures at the ends of the pre-poured concrete flooring slab members. The flooring slab members have a main body portion and a steel reinforcing means positioned within the main body portion so as to structurally reinforce the main body portion. The flooring slab members further have a lift receiving means integrally retained within the main body portion for secured releasable engagement by a suitable lifting means such as a crane or derrick. The flooring slab members …

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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 May 12, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 12, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 12, 2014.
  • 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 12, 1992
GrantedNo grant recorded
Term endedMay 12, 2012
Patent numberCA 2068449 A1
Classification (IPC)E04B5/36 +1 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedMay 12, 1992Term endedMay 12, 2012

Sources & verification

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