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Official data from INPI

PISTÃO PARA MOTORES DE COMBUSTÃO INTERNA OU PARA COMPRESSORES.

Em ExigênciaInvention Patent

Application data

Number

PI8600530

Type

Invention Patent

Filing

02/06/1919

Publication

10/21/1986

Progress at the INPI

  1. Filing02/06/19
  2. Publication10/21/86
  3. Examination09/13/88
  4. Allowance05/29/90
  5. Grant11/27/90
  6. Terminated09/26/95

The patent was granted on 11/27/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AE PLC, companhia britânica

GB

Inventors

B. R. (pessoa física)

GB

J. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8504008 · 02/16/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/21/1989

RPI 996

Solicitação de exame técnico

#4.1

09/13/1988

RPI 934

Publicação do pedido de patente

#3.1

10/21/1986

RPI 835

Pedido de patente depositado

#2.1

07/29/1986

RPI 823

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

09/04/1990

RPI 1031

Deferimento

#9.1

05/29/1990

RPI 1020

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