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Official data from INPI

PROCESSO E APARELHO DE DESEMPOEIRAMENTO DOS GASES E APLICAÇÃO DO PROCESSO.

Em AnáliseInvention Patent

Application data

Number

PI8103793

Type

Invention Patent

Filing

06/15/1981

Publication

03/09/1982

Progress at the INPI

  1. Filing06/15/81
  2. Publication03/09/82
  3. Examination04/24/84
  4. Allowance07/09/85
  5. Grant12/31/85
  6. Terminated07/12/88

The patent was granted on 12/31/1985 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. F. (pessoa física)

FR

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Inventors

M. J. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

80 13.296 · 06/16/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

10/16/1984

RPI 730

Solicitação de exame técnico

#4.1

04/24/1984

RPI 705

Publicação do pedido de patente

#3.1

03/09/1982

RPI 594

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