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Official data from INPI

COMPOSIÇÕES LUBRIFICANTES E PROCESSO PARA A LUBRIFICAÇÃO DE MÁQUINAS FRIGORÍFICAS

Em AnáliseInvention Patent
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Application data

Number

PI8602797

Type

Invention Patent

Filing

06/16/1986

Publication

02/10/1987
View on INPI

Progress at the INPI

  1. Filing06/16/86
  2. Publication02/10/87
  3. Examination04/19/88
  4. Allowance11/03/92
  5. Grant05/25/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 08/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Texaco Technology Europe(Hamburg) Gmbh

DE

Inventors

H. G. (pessoa física)

DE

V. S. (pessoa física)

DE

Technical data

IPC Classification

C10M 101/02C10M 105/06C10M 107/02C10M 137/02C10M 155/02C10N 30/08

Priority claims

DE

P 35 22 165.8 · 06/21/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.4

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

04/19/1988

RPI 913

Publicação do pedido de patente

#3.1

02/10/1987

RPI 851

Pedido de patente depositado

#2.1

12/23/1986

RPI 844

Carta-patente expirada

#21.1

Patente extinta em 16/06/2001

07/22/2008

RPI 1959

14.1

07/06/1993

RPI 1179

14.4

06/29/1993

RPI 1178

14.7

06/22/1993

RPI 1177

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

03/23/1993

RPI 1164

Deferimento

#9.1

11/03/1992

RPI 1144

Republicação - classificação IPC

#15.11

09/15/1992

RPI 1137

Exigência - art. 36 da LPI

#6.1

10/08/1991

RPI 1088

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