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Official data from INPI

INTERCALADOR DE VOZ E EMISSÃO DE DADOS, FAC-SIMILE E OUTROS COM CHAMADAS NO SISTEMA E + M.

IndeferidaInvention Patent

Application data

Number

PI8107005

Type

Invention Patent

Filing

10/29/1981

Publication

05/31/1983

Progress at the INPI

Under appeal
  1. Filing10/29/81
  2. Publication05/31/83
  3. Examination02/05/85
  4. Refused11/22/88
  5. Grant
  6. In force

The application was refused by the INPI on 11/22/1988. The invention was never patented.

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Latest action published by the INPI: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS

MG, BR

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Inventors

A. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

11/22/1988

RPI 944

Exigência - art. 36 da LPI

#6.1

05/27/1986

RPI 814

Exigência - art. 36 da LPI

#6.1

08/13/1985

RPI 773

Solicitação de exame técnico

#4.1

02/05/1985

RPI 746

Publicação do pedido de patente

#3.1

05/31/1983

RPI 658

Pedido de patente depositado

#2.1

12/15/1981

RPI 582

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