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Official data from INPI

ESTACAS PARA FUNDAÇÕES E RESPECTIVO SISTEMA DE REALIZAÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8701025

Type

Invention Patent

Filing

02/16/1987

Publication

06/30/1987

Progress at the INPI

Technical opinion to answer
  1. Filing02/16/87
  2. Publication06/30/87
  3. Examination11/17/87
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cravestac Engenharia e Comércio Ltda

SP, BR

Inventors

W. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/17/1987

RPI 891

Publicação antecipada

#3.2

06/30/1987

RPI 871

Pedido de patente depositado

#2.1

06/16/1987

RPI 869

Retificação

#15.3

06/25/1991

RPI 1073

Conhecimento de parecer técnico

#7.1

08/14/1990

RPI 1028

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