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Official data from INPI

PROCESSO PARA PRODUZIR CIMENTOS HIDRÁULICOS

IndeferidaInvention Patent
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Application data

Number

PI8202137

Type

Invention Patent

Filing

04/14/1982

Publication

03/22/1983
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Progress at the INPI

Under appeal
  1. Filing04/14/82
  2. Publication03/22/83
  3. Examination10/18/83
  4. Refused09/29/87
  5. Grant
  6. In force

The application was refused by the INPI on 09/29/1987. The invention was never patented.

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Latest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. C. (pessoa física)

US

Inventors

H. J. (pessoa física)

US

J. P. (pessoa física)

US

Technical data

IPC Classification

C04B 7/00

Priority claims

US

253,210 · 04/13/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/29/1987

RPI 884

Conhecimento de parecer técnico

#7.1

07/22/1986

RPI 822

Conhecimento de parecer técnico

#7.1

07/23/1985

RPI 770

6.2

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

Publicação do pedido de patente

#3.1

03/22/1983

RPI 648

Pedido de patente depositado

#2.1

06/01/1982

RPI 606

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FORNO DE ARCO ELÉTRICO

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