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Official data from INPI

ECONOMIZADOR PARA MOTORES A ALCOOL

ConcedidaInvention Patent

Application data

Number

PI8305117

Type

Invention Patent

Filing

09/20/1983

Publication

04/23/1985

Progress at the INPI

  1. Filing09/20/83
  2. Publication04/23/85
  3. Examination11/25/86
  4. Allowance10/13/87
  5. Grant06/28/88
  6. Terminated10/02/90

The patent was granted on 06/28/1988 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CIFALI & CIA LTDA [BR]

Inventors

C. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Republicação - classificação IPC

#15.11

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

Solicitação de exame técnico

#4.1

11/25/1986

RPI 840

Solicitação de exame não realizada

#4.2

07/22/1986

RPI 822

Publicação do pedido de patente

#3.1

04/23/1985

RPI 757

Pedido de patente depositado

#2.1

11/22/1983

RPI 683

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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