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Official data from INPI

APERFEIÇOAMENTOS EM EQUIPAMENTO PARA PERFURAÇÃO DO SOLO

Prazo de SigiloInvention Patent

Application data

Number

PI8903166

Type

Invention Patent

Filing

06/28/1989

Publication

02/06/1990

Progress at the INPI

Awaiting grant fee payment
  1. Filing06/28/89
  2. Publication02/06/90
  3. Examination10/30/90
  4. Allowance05/24/94
  5. Grant
  6. In force

The application was allowed by the INPI on 05/24/1994. The grant of the letters patent is being processed.

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Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. M. (pessoa física)

SP, BR

Inventors

C. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/17/1989

RPI 991

Retificação

#15.3

10/11/1994

RPI 1245

Deferimento

#9.1

05/24/1994

RPI 1225

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

Publicação antecipada

#3.2

02/06/1990

RPI 1005

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