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Official data from INPI

COMPOSIÇÀO À BASE DE METANOL USADA COMO COMBUSTÍVEL DIESEL.

ConcedidaInvention Patent

Application data

Number

PI7707906

Type

Invention Patent

Filing

11/28/1977

Publication

-

Progress at the INPI

  1. Filing11/28/77
  2. Publication
  3. Examination
  4. Allowance03/01/83
  5. Grant09/27/83
  6. Terminated08/28/90

The patent was granted on 09/27/1983 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: 09/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Berol Kemi AB

SE

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Inventors

A. B. (pessoa física)

SE

Technical data

Priority claims

SE

76.13355-2 · 11/29/1976

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

Exigência - art. 36 da LPI

#6.1

06/29/1982

RPI 610

15.0

01/19/1982

RPI 587

Exigência - art. 36 da LPI

#6.1

12/22/1981

RPI 583

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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