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Official data from INPI

PROCESSO E APARELHO PARA SEPARAÇÃO POR ADSORÇÃO COM OSCILAÇÃO DE PRESSÃO.

ConcedidaInvention Patent

Application data

Number

PI8204595

Type

Invention Patent

Filing

08/05/1982

Publication

07/26/1983

Progress at the INPI

  1. Filing08/05/82
  2. Publication07/26/83
  3. Examination07/22/86
  4. Allowance05/10/88
  5. Grant12/27/88
  6. Terminated04/02/96

The patent was granted on 12/27/1988 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

C. K. (pessoa física)

US

G. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

290.484 · 08/06/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/10/1988

RPI 916

Exigência - art. 36 da LPI

#6.1

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

07/22/1986

RPI 822

3.4

04/16/1985

RPI 756

Publicação do pedido de patente

#3.1

07/26/1983

RPI 666

Pedido de patente depositado

#2.1

09/21/1982

RPI 622

Anuidade - prazo legal encerrado

#18.2

04/02/1996

RPI 1322

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