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Official data from INPI

APERFEIÇOAMENTO EM SISTEMA DE COMANDO DE CAIXAS DE TRANSMISSÃO, PARTICULARMENTE DE CAIXAS DE TRANSFERÊNCIA SINCRONIZADAS

Em AnáliseInvention Patent

Application data

Number

PI8605455

Type

Invention Patent

Filing

10/30/1986

Publication

05/31/1988

Progress at the INPI

  1. Filing10/30/86
  2. Publication05/31/88
  3. Examination10/23/90
  4. Allowance03/17/92
  5. Grant06/29/93
  6. Terminated10/03/95

The patent was granted on 06/29/1993 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

QT Engenharia e Equipamentos Ltda.

SP, BR

Inventors

W. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.7

07/26/1988

RPI 927

Publicação do pedido de patente

#3.1

05/31/1988

RPI 919

Pedido de patente depositado

#2.1

04/14/1987

RPI 860

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

03/09/1993

RPI 1162

Deferimento

#9.1

03/17/1992

RPI 1111

Exigência - art. 36 da LPI

#6.1

07/30/1991

RPI 1078

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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