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Official data from INPI

APERFEIÇOAMENTO INTRODUZIDO EM VÁLVULA DE DESCARGA DE ÁGUA.

IndeferidaInvention Patent
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Application data

Number

PI8006238

Type

Invention Patent

Filing

09/29/1980

Publication

-
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Progress at the INPI

Under appeal
  1. Filing09/29/80
  2. Publication
  3. Examination
  4. Refused02/01/83
  5. Grant
  6. In force

The application was refused by the INPI on 02/01/1983. The invention was never patented.

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Latest action published by the INPI: 02/01/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. E. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

02/01/1983

RPI 641

Pedido de certificado de adição de invenção

#5.1

02/16/1982

RPI 591

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