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Official data from INPI

MOTOR DE DOIS TEMPOS APERFEIÇOADO

ConcedidaInvention Patent

Application data

Number

PI8404646

Type

Invention Patent

Filing

09/17/1984

Publication

04/22/1986

Progress at the INPI

  1. Filing09/17/84
  2. Publication04/22/86
  3. Examination07/22/86
  4. Allowance06/21/88
  5. Grant09/26/89
  6. Terminated03/03/92

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Transtec - Tecnologia de Transportes S/C Ltda., firma brasileira, industrial e comercial

SP, BR

Inventors

J. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/21/1988

RPI 922

Solicitação de exame técnico

#4.1

07/22/1986

RPI 822

Publicação do pedido de patente

#3.1

04/22/1986

RPI 809

Pedido de patente depositado

#2.1

11/27/1984

RPI 736

Anuidade - prazo legal encerrado

#18.2

03/03/1992

RPI 1109

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