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Official data from INPI

SISTEMA PARA FORNECIMENTO DE ÓLEOS LUBRIFICANTES TIPOS AUTOMOTIVOS, INDUSTRIAIS E SIMILARES

Em AnáliseInvention Patent
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Application data

Number

PI8703984

Type

Invention Patent

Filing

08/05/1987

Publication

02/14/1989
View on INPI

Progress at the INPI

  1. Filing08/05/87
  2. Publication02/14/89
  3. Examination03/10/92
  4. Allowance11/17/92
  5. Grant05/25/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Esso Brasileira de Petróleo Limitada

RJ, BR

Inventors

A. F. (pessoa física)

BR

Technical data

IPC Classification

F16L 27/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

15.15

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

02/14/1989

RPI 956

Pedido de patente depositado

#2.1

10/20/1987

RPI 887

Carta-patente expirada

#21.1

Patente extinta em 05/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

04/06/1993

RPI 1166

Deferimento

#9.1

11/17/1992

RPI 1146

Solicitação de exame técnico

#4.1

03/10/1992

RPI 1110

Deferimento (variante)

#9.1.2

03/03/1992

RPI 1109

Deferimento

#9.1

10/29/1991

RPI 1091

14.4

02/06/1990

RPI 1005

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