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Official data from INPI

VÁLVULA DE GATILHO TRATADA TERMICAMENTE E MÉTODO PARA REALIZAR VÁLVULAS DE GATILHO.

PublicadaInvention Patent

Application data

Number

PI8705877

Type

Invention Patent

Filing

10/23/1987

Publication

05/31/1988

Progress at the INPI

  1. Filing10/23/87
  2. Publication05/31/88
  3. Examination10/23/90
  4. Allowance
  5. Grant
  6. In force

Published on 05/31/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

J. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

923,665 · 10/27/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/31/1988

RPI 919

Pedido de patente depositado

#2.1

04/12/1988

RPI 912

Retificação

#15.3

04/05/1994

RPI 1218

15.18

03/17/1992

RPI 1111

Retificação

#15.3

02/04/1992

RPI 1105

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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