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Official data from INPI

DISPOSITIVO DE VÁLVULA DE PURGAMENTO E PROCESSO PARA PURGAR UMA TUBULAÇÃO .

ArquivadaInvention Patent

Application data

Number

PI8402295

Type

Invention Patent

Filing

05/15/1984

Publication

12/24/1985

Progress at the INPI

  1. Filing05/15/84
  2. Publication12/24/85
  3. Abandoned05/27/86
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Crosby Valve & Gage Company

US

Inventors

R. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

12/24/1985

RPI 792

Pedido de patente depositado

#2.1

07/24/1984

RPI 718

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