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Official data from INPI

COMPOSIÇÃO DE ÓLEO LUBRIFICANTE DE CARTER, COMPOSIÇÃO DE CONCENTRADO DE ÓLEO LUBRIFICANTE E MÉTODO PARA REDUZIR A FORMAÇÃO DE EMULSÃO E/OU ESPUMA EM UM ÓLEO LUBRIFICANTE

ArquivadaInvention Patent

Application data

Number

PI9104109

Type

Invention Patent

Filing

09/20/1991

Publication

06/02/1992

Progress at the INPI

  1. Filing09/20/91
  2. Publication06/02/92
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/20/1991 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/23/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

M. S. (pessoa física)

US

M. G. (pessoa física)

US

S. J. (pessoa física)

US

Technical data

Priority claims

US

586,469 · 09/21/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

08/23/1994

RPI 1238

Publicação do pedido de patente

#3.1

06/02/1992

RPI 1122

Pedido de patente depositado

#2.1

10/29/1991

RPI 1091

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