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Official data from INPI

PROCESSO DE ADSORCAO-VARIACAO DE PRESSAO, PARA A PURIFICACAO OU SEPARACAO DE MISTURAS GASOSAS

ConcedidaInvention Patent

Application data

Number

PI8002484

Type

Invention Patent

Filing

04/24/1979

Publication

-

Progress at the INPI

  1. Filing04/24/79
  2. Publication
  3. Examination11/30/82
  4. Allowance01/15/85
  5. Grant07/30/85
  6. Terminated02/04/92

The patent was granted on 07/30/1985 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: 07/30/1985. 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).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

08/07/1984

RPI 720

Republicação - classificação IPC

#15.11

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Solicitação de exame técnico

#4.1

11/30/1982

RPI 632

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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