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Official data from INPI

PROCESSO DE PRODUÇÃO DE TERMOFOSFATO TIPO EM APARELHO DE SINTERIZAÇÃO.

IndeferidaInvention Patent

Application data

Number

PI8107949

Type

Invention Patent

Filing

12/04/1981

Publication

08/30/1983

Progress at the INPI

Under appeal
  1. Filing12/04/81
  2. Publication08/30/83
  3. Examination06/18/85
  4. Refused07/14/87
  5. Grant
  6. In force

The application was refused by the INPI on 07/14/1987. The invention was never patented.

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Latest action published by the INPI: 07/14/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Pesquisas Tecnológicas do Estado de São Paulo

SP, BR

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Inventors

R. L. (pessoa física)

S. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

07/14/1987

RPI 873

Conhecimento de parecer técnico

#7.1

08/19/1986

RPI 826

Exigência - art. 36 da LPI

#6.1

01/14/1986

RPI 795

Solicitação de exame técnico

#4.1

06/18/1985

RPI 765

Solicitação de exame não realizada

#4.2

01/08/1985

RPI 742

Publicação do pedido de patente

#3.1

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

01/26/1982

RPI 588

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