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Official data from INPI

APERFEICOAMENTO EM DISPOSITIVO PARA AQUECIMENTO DE AR E COMBUSTIVEL EM MOTORES TERMICOS

Em AnáliseInvention Patent

Application data

Number

PI8306497

Type

Invention Patent

Filing

11/25/1983

Publication

07/02/1985

Progress at the INPI

Awaiting grant fee payment
  1. Filing11/25/83
  2. Publication07/02/85
  3. Examination08/11/87
  4. Allowance05/10/88
  5. Grant
  6. In force

The application was allowed by the INPI on 05/10/1988. The grant of the letters patent is being processed.

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Latest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. S. (pessoa física)

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

05/30/1989

RPI 971

15.5

01/10/1989

RPI 951

Deferimento

#9.1

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

08/11/1987

RPI 877

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

01/31/1984

RPI 693

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