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Official data from INPI

PROCESSO E EQUIPAMENTO PARA A OBTENCAO DE HIDROCARBONETOS LIQUIDOS E GASOSOS DE UMA MATERIA PRIMA COM TEOR DE HIDROCARBONETOS COMO XISTO BETUMINOSO OU CARVAO

ConcedidaInvention Patent

Application data

Number

PI7905924

Type

Invention Patent

Filing

09/18/1978

Publication

-

Progress at the INPI

  1. Filing09/18/78
  2. Publication
  3. Examination07/27/82
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Terminated04/12/94

The patent was granted on 05/28/1985 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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KRAFTWERK UNION AG

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Inventors

A. O. (pessoa física)

B. A. (pessoa física)

G. H. (pessoa física)

K. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

6.2

02/01/1983

RPI 641

Solicitação de exame técnico

#4.1

07/27/1982

RPI 614

Anuidade - prazo legal encerrado

#18.2

04/12/1994

RPI 1219

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