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Official data from INPI

PROCESSO DE BENEFICIAMENTO DE ARGILA DE GRANULOMETRIA FINA

Prazo de SigiloInvention Patent

Application data

Number

PI8900703

Type

Invention Patent

Filing

02/17/1989

Publication

10/02/1990

Progress at the INPI

  1. Filing02/17/89
  2. Publication10/02/90
  3. Abandoned02/19/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. A. (pessoa física)

SP, BR

Inventors

A. M. (pessoa física)

A. S. (pessoa física)

J. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

11.13

11/04/1997

RPI 1405

11.31

11/04/1997

RPI 1405

Arquivamento - Art. 36 §1° da LPI

#11.2

09/09/1997

RPI 1397

Republicação - classificação IPC

#15.11

09/09/1997

RPI 1397

Exigência - art. 36 da LPI

#6.1

07/02/1996

RPI 1335

Solicitação de exame técnico

#4.1

02/19/1991

RPI 1055

Publicação do pedido de patente

#3.1

10/02/1990

RPI 1035

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