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Official data from INPI

COMPOSIÇÃO LUBRIFICANTE, CONCENTRADO ADITIVO E MÉTODO PARA LUBRIFICAR MOTOR DE COMBUSTÃO INTERNA COM INJEÇÃO DE COMBUSTÍVEL

ArquivadaInvention Patent
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Application data

Number

PI9100628

Type

Invention Patent

Filing

02/07/1991

Publication

04/07/1992
View on INPI

Progress at the INPI

  1. Filing02/07/91
  2. Publication04/07/92
  3. Abandoned05/03/94
  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: 04/06/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

W. I. (pessoa física)

US

Technical data

IPC Classification

C10M 125/00C10M 133/04C10M 135/10C10M 137/00C10M 149/22C10N 10/04C10N 30/12

Priority claims

US

07/541,110 · 06/20/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/06/1999

RPI 1474

Exigência - art. 36 da LPI

#6.1

09/23/1997

RPI 1399

Solicitação de exame técnico

#4.1

05/10/1994

RPI 1223

Solicitação de exame técnico

#4.1

05/03/1994

RPI 1222

Publicação do pedido de patente

#3.1

04/07/1992

RPI 1114

Pedido de patente depositado

#2.1

08/27/1991

RPI 1082

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