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Official data from INPI

PISTAO DE MAQUINA COM PISTOES ALTERNADOS,SOBRETUDO DE MOTOR A COMBUSTAO INTERNA

ConcedidaInvention Patent

Application data

Number

PI8103244

Type

Invention Patent

Filing

05/30/1980

Publication

02/16/1982

Progress at the INPI

  1. Filing05/30/80
  2. Publication02/16/82
  3. Examination08/30/83
  4. Allowance09/18/84
  5. Grant03/26/85
  6. Terminated09/25/90

The patent was granted on 03/26/1985 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SEMT

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Inventors

M. B. (pessoa física)

T. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

01/15/1985

RPI 743

Republicação - classificação IPC

#15.11

12/18/1984

RPI 739

Deferimento

#9.1

09/18/1984

RPI 726

Exigência - art. 36 da LPI

#6.1

03/07/1984

RPI 698

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

Publicação do pedido de patente

#3.1

02/16/1982

RPI 591

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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