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Official data from INPI

DISPOSITIVO PARA REFILTRAR, REFINAR E PURIFICAR ÓLEO LUBRIFICANTE DE MOTORES COMBUSTÃO

PublicadaInvention Patent
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Application data

Number

PI8606215

Type

Invention Patent

Filing

12/16/1986

Publication

07/05/1988
View on INPI

Progress at the INPI

Awaiting grant fee payment
  1. Filing12/16/86
  2. Publication07/05/88
  3. Examination09/18/90
  4. Allowance08/06/91
  5. Grant
  6. In force

The application was allowed by the INPI on 08/06/1991. The grant of the letters patent is being processed.

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Latest action published by the INPI: 07/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. M. (pessoa física)

SP, BR

Inventors

O. M. (pessoa física)

BR

Technical data

IPC Classification

F01M 11/03

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/05/1988

RPI 924

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

15.7

08/31/1993

RPI 1187

Retificação

#15.3

02/02/1993

RPI 1157

Notificação para pagamento de retribuição

#13.1

06/30/1992

RPI 1126

Retificação

#15.6

04/07/1992

RPI 1114

Alteração de numeração

#15.1

12/03/1991

RPI 1096

Deferimento

#9.1

08/06/1991

RPI 1079

Solicitação de exame técnico

#4.1

09/18/1990

RPI 1033

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