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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8603640

Type

Invention Patent

Filing

08/01/1986

Publication

03/10/1987

Progress at the INPI

  1. Filing08/01/86
  2. Publication03/10/87
  3. Abandoned06/13/89
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/13/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents, Inc

US

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Inventors

D. S. (pessoa física)

K. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/13/1989

RPI 973

Publicação do pedido de patente

#3.1

03/10/1987

RPI 855

Pedido de patente depositado

#2.1

02/24/1987

RPI 853

Arquivamento - Art. 36 §1° da LPI

#11.2

03/16/1993

RPI 1163

Republicação - classificação IPC

#15.11

09/15/1992

RPI 1137

Exigência - art. 36 da LPI

#6.1

10/01/1991

RPI 1087

6.2

08/07/1990

RPI 1027

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