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Official data from INPI

COMPOSIÇÃO DE ÓLEO LUBRIFICANTE SEM CINZA, CONCENTRADO DE ADITIVO, PROCESSO PARA APERFEIÇOAR O DESEMPENHO DE UM ÓLEO LUBRIFICANTE PARA MOTOR DIESEL DE CARGA PESADA E APERFEIÇOAMENTO EM UM MOTOR DIESEL

PublicadaInvention Patent

Application data

Number

PI8805084

Type

Invention Patent

Filing

10/03/1988

Publication

05/09/1989

Progress at the INPI

  1. Filing10/03/88
  2. Publication05/09/89
  3. Examination07/09/91
  4. Allowance04/14/98
  5. Abandoned
  6. In force

The application was allowed on 04/14/1998 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents, Inc

US

See this company's full portfolio

Inventors

A. S. (pessoa física)

G. J. (pessoa física)

Technical data

Priority claims

US

104,171 · 10/02/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/09/1989

RPI 968

Pedido de patente depositado

#2.1

02/14/1989

RPI 956

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Art. 38 § 2º LPI.

06/22/1999

RPI 1485

Deferimento

#9.1

04/14/1998

RPI 1425

Exigência - art. 36 da LPI

#6.1

07/16/1996

RPI 1337

Exigência - art. 36 da LPI

#6.1

07/18/1995

RPI 1285

Solicitação de exame técnico

#4.1

07/09/1991

RPI 1075

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