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Official data from INPI

JUNTA DE CULATRA PARA MOTOR DE COMBUSTÃO INTERNA

ConcedidaInvention Patent

Application data

Number

PI8300552

Type

Invention Patent

Filing

02/04/1983

Publication

11/08/1983

Progress at the INPI

  1. Filing02/04/83
  2. Publication11/08/83
  3. Examination03/11/86
  4. Allowance12/29/87
  5. Grant08/29/89
  6. Terminated02/18/92

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Curty

FR

Inventors

B. G. (pessoa física)

FR

G. U. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

8202648 · 02/12/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

110

02/28/1989

RPI 958

Recurso

#12.1

04/12/1988

RPI 912

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

08/11/1987

RPI 877

Pedido de certificado de adição de invenção

#5.1

07/29/1986

RPI 823

Solicitação de exame técnico

#4.1

03/11/1986

RPI 803

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/22/1983

RPI 648

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

201

05/07/1991

RPI 1066

Pedido de licença voluntária

#17.1

10/02/1990

RPI 1035

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