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Official data from INPI

COMPOSIÇÃO DE ÓLEO LUBRIFICANTE SEM CINZA PARA CÁRTER DE MOTOR A DIESEL DE SERVIÇOS PESADOS, CONCENTRADO DE ADITIVO,E, PROCESSO PARA MELHORAR O DESEMPENHO DE UM ÓLEO LUBRIFICANTE PARA CÁRTER DE MOTOR A DIESEL, PARA SERVIÇOS PESADOS.

ArquivadaInvention Patent

Application data

Number

PI9001514

Type

Invention Patent

Filing

04/02/1990

Publication

04/16/1991

Progress at the INPI

  1. Filing04/02/90
  2. Publication04/16/91
  3. Examination06/01/93
  4. Allowance03/24/98
  5. Abandoned
  6. In force

The application was allowed on 03/24/1998 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: 06/22/1999. 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

332,860 · 04/03/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

06/22/1999

RPI 1485

Deferimento

#9.1

03/24/1998

RPI 1422

Exigência - art. 36 da LPI

#6.1

11/19/1996

RPI 1355

Solicitação de exame técnico

#4.1

06/01/1993

RPI 1174

Publicação do pedido de patente

#3.1

04/16/1991

RPI 1063

Pedido de patente depositado

#2.1

08/14/1990

RPI 1028

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