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Official data from INPI

PROCESSO DE ABSORCAO ADIABATICA PARA PURIFACAO OU SEPARACAO DE UM GAS

Em AnáliseInvention Patent

Application data

Number

PI7905872

Type

Invention Patent

Filing

09/16/1978

Publication

-

Progress at the INPI

  1. Filing09/16/78
  2. Publication
  3. Examination05/11/82
  4. Allowance10/11/83
  5. Grant04/24/84
  6. Terminated10/03/89

The patent was granted on 04/24/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LINDE AG

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Inventors

B. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/24/1984

RPI 692

Deferimento

#9.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

03/29/1983

RPI 649

Solicitação de exame técnico

#4.1

05/11/1982

RPI 603

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