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Official data from INPI

COMPOSIÇÃO DE ÓLEO LUBRIFICANTE E CONCENTRADO PARA FORMULAR COMPOSIÇÕES DE ÓLEO LUBRIFICANTE

Prazo de SigiloInvention Patent
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Application data

Number

PI8902901

Type

Invention Patent

Filing

05/29/1989

Publication

02/01/1990
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Progress at the INPI

  1. Filing05/29/89
  2. Publication02/01/90
  3. Abandoned02/13/91
  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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

C. S. (pessoa física)

D. R. (pessoa física)

Technical data

IPC Classification

C10M 149/00

Priority claims

US

206,113 · 06/13/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/25/1989

RPI 979

Arquivamento - Art. 36 §1° da LPI

#11.2

08/18/1998

RPI 1443

Exigência - art. 36 da LPI

#6.1

02/18/1997

RPI 1368

Exigência - art. 36 da LPI

#6.1

06/20/1995

RPI 1281

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

Publicação do pedido de patente

#3.1

02/01/1990

RPI 1004

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