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Official data from INPI

APARELHO DE VALVULA PARA INTERIOR DE POCO

ArquivadaInvention Patent

Application data

Number

PI8306191

Type

Invention Patent

Filing

01/24/1983

Publication

09/18/1984

Progress at the INPI

  1. Filing01/24/83
  2. Publication09/18/84
  3. Abandoned09/09/86
  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.

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Latest action published by the INPI: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NL INDUSTRIES INC [US]

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Inventors

H. G. (pessoa física)

K. S. (pessoa física)

L. L. (pessoa física)

R. V. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

10/25/1988

RPI 940

6.2

01/12/1988

RPI 899

Solicitação de exame técnico

#4.1

09/09/1986

RPI 829

Publicação do pedido de patente

#3.1

09/18/1984

RPI 726

Pedido de patente depositado

#2.1

01/24/1984

RPI 692

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