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Official data from INPI

VÁLVULA DE DESCARGA AUTOMÁTICA.

ArquivadaInvention Patent
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Application data

Number

PI8106839

Type

Invention Patent

Filing

10/23/1981

Publication

05/24/1983
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Progress at the INPI

  1. Filing10/23/81
  2. Publication05/24/83
  3. Abandoned10/11/83
  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: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. T. (pessoa física)

Inventors

T. [. (pessoa física)

Technical data

IPC Classification

E03D 5/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

02/04/1986

RPI 798

Exigência - art. 36 da LPI

#6.1

06/18/1985

RPI 765

Exigência - art. 36 da LPI

#6.1

09/04/1984

RPI 724

Pedido de certificado de adição de invenção

#5.1

03/07/1984

RPI 698

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Publicação do pedido de patente

#3.1

05/24/1983

RPI 657

Pedido de patente depositado

#2.1

12/08/1981

RPI 581

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