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Official data from INPI

PROCESSO DE FUNDIÇÃO DE PEÇAS CERÂMICA

IndeferidaInvention Patent

Application data

Number

PI8200600

Type

Invention Patent

Filing

02/04/1982

Publication

10/04/1983

Progress at the INPI

Under appeal
  1. Filing02/04/82
  2. Publication10/04/83
  3. Examination05/08/84
  4. Refused07/08/86
  5. Grant
  6. In force

The application was refused by the INPI on 07/08/1986. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 07/08/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Duratex Sociedade Anonima

SP, BR

Duratex Sociedade Anônima

SP, BR

See this company's full portfolio

Inventors

J. D. (pessoa física)

BR

J. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

04/09/1985

RPI 755

Pedido de certificado de adição de invenção

#5.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

05/08/1984

RPI 707

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

04/19/1983

RPI 652

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