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Official data from INPI

MISTURA DE GASOLINA

ConcedidaInvention Patent

Application data

Number

PI8106689

Type

Invention Patent

Filing

10/16/1981

Publication

06/29/1982

Progress at the INPI

  1. Filing10/16/81
  2. Publication06/29/82
  3. Examination07/24/84
  4. Allowance12/27/88
  5. Grant08/29/89
  6. Terminated03/19/96

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

H. A. (pessoa física)

DE

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Inventors

D. U. (pessoa física)

DE

H. L. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 30 39 225.7 · 10/17/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/02/1989

RPI 967

Deferimento

#9.1

12/27/1988

RPI 949

Conhecimento de parecer técnico

#7.1

03/01/1988

RPI 906

Pedido de certificado de adição de invenção

#5.1

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

06/29/1982

RPI 610

Pedido de patente depositado

#2.1

12/01/1981

RPI 580

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

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