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Official data from INPI

COMPOSIÇÃO DE FLUIDO FUNCIONAL ÓLEO LUBRIFICANTE E PROCESSO PARA PRODUZIR UM ÓLEO LUBRIFICANTE.

PublicadaInvention Patent

Application data

Number

PI8701761

Type

Invention Patent

Filing

04/13/1987

Publication

02/02/1988

Progress at the INPI

  1. Filing04/13/87
  2. Publication02/02/88
  3. Abandoned10/02/90
  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.

Talk to a specialist

Latest action published by the INPI: 02/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company.

US

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Inventors

N. B. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

851.961 · 04/14/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/02/1988

RPI 902

Pedido de patente depositado

#2.1

07/21/1987

RPI 874

Arquivamento - Art. 36 §1° da LPI

#11.2

03/23/1993

RPI 1164

Exigência - art. 36 da LPI

#6.1

11/05/1991

RPI 1092

Solicitação de exame técnico

#4.1

10/02/1990

RPI 1035

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