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Official data from INPI

COMPOSTO DE FERRO (II)

Prazo de SigiloInvention Patent

Application data

Number

PI8903952

Type

Invention Patent

Filing

08/01/1989

Publication

02/05/1991

Progress at the INPI

Technical opinion to answer
  1. Filing08/01/89
  2. Publication02/05/91
  3. Examination06/11/91
  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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. O. (pessoa física)

SP, BR

M. F. (pessoa física)

SP, BR

N. M. (pessoa física)

SP, BR

Inventors

C. O. (pessoa física)

BR

M. F. (pessoa física)

BR

N. M. (pessoa física)

BR

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/17/1989

RPI 991

Retificação

#15.3

11/28/1995

RPI 1304

Conhecimento de parecer técnico

#7.1

02/21/1995

RPI 1264

Solicitação de exame técnico

#4.1

06/11/1991

RPI 1071

Publicação do pedido de patente

#3.1

02/05/1991

RPI 1053

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