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Official data from INPI

DISPOSITIVO DE VALVULA DO TIPO DE ESFERA QUATRO VIAS

Em AnáliseInvention Patent

Application data

Number

PI7903789

Type

Invention Patent

Filing

10/20/1978

Publication

-

Progress at the INPI

  1. Filing10/20/78
  2. Publication
  3. Examination07/20/82
  4. Allowance03/27/84
  5. Grant09/25/84
  6. Terminated05/17/88

The patent was granted on 09/25/1984 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

AMERICAN STANDARD INC

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Inventors

Z. M. (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

201

11/19/1985

RPI 787

Pedido de licença voluntária

#17.1

07/09/1985

RPI 768

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

07/17/1984

RPI 717

Deferimento

#9.1

03/27/1984

RPI 701

Exigência - art. 36 da LPI

#6.1

08/30/1983

RPI 671

Pedido de certificado de adição de invenção

#5.1

01/25/1983

RPI 640

Solicitação de exame técnico

#4.1

07/20/1982

RPI 613

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