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Official data from INPI

VÁLVULA E SEU EMPREGO.

Em AnáliseInvention Patent

Application data

Number

PI8107987

Type

Invention Patent

Filing

03/26/1981

Publication

03/09/1982

Progress at the INPI

  1. Filing03/26/81
  2. Publication03/09/82
  3. Examination08/10/82
  4. Allowance02/12/85
  5. Grant08/27/85
  6. Terminated07/12/88

The patent was granted on 08/27/1985 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. E. (pessoa física)

Inventors

E. H. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

2 643/80 · 04/03/1980

CH

PCT/81/00034 · 03/26/1981

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

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Deferimento

#9.1

02/12/1985

RPI 747

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

08/10/1982

RPI 616

Notificação de entrada na fase nacional - PCT

#1.3

03/09/1982

RPI 594

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