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Official data from INPI

DISPOSITIVO E CONJUNTO DE VEDAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8202875

Type

Invention Patent

Filing

05/18/1982

Publication

04/26/1983

Progress at the INPI

  1. Filing05/18/82
  2. Publication04/26/83
  3. Examination08/30/83
  4. Allowance10/23/84
  5. Grant
  6. Terminated09/06/88

The patent was granted 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: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Combustion Engineering Inc

US

See this company's full portfolio

Inventors

C. B. (pessoa física)

US

J. M. (pessoa física)

US

Technical data

Priority claims

GB

265,223 · 05/19/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/06/1988

RPI 933

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/23/1984

RPI 731

Exigência - art. 36 da LPI

#6.1

06/05/1984

RPI 711

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

Publicação do pedido de patente

#3.1

04/26/1983

RPI 653

Pedido de patente depositado

#2.1

06/29/1982

RPI 610

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