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Official data from INPI

CONJUNTO DE VALVULA DE ESCAPE PARA PANELA DE PRESSAO E PANELA DE PRESSAO ASSIM CONSTITUIDA

Em AnáliseInvention Patent

Application data

Number

PI7803367

Type

Invention Patent

Filing

05/27/1977

Publication

-

Progress at the INPI

  1. Filing05/27/77
  2. Publication
  3. Examination
  4. Allowance05/10/83
  5. Grant12/26/84
  6. Terminated05/17/88

The patent was granted on 12/26/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PRESTIGE GROUP LTD

Inventors

J. F. (pessoa física)

N. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/30/1984

RPI 732

110

08/21/1984

RPI 722

120

02/28/1984

RPI 697

Recurso

#12.1

08/23/1983

RPI 670

Deferimento

#9.1

05/10/1983

RPI 655

Exigência - art. 36 da LPI

#6.1

01/04/1983

RPI 637

Exigência - art. 36 da LPI

#6.1

07/27/1982

RPI 614

6.2

01/12/1982

RPI 586

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