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Official data from INPI

PROCESSO PARA PRODUZIR UM REVESTIMENTO ANTI-ADESIVO DIRETAMENTE SOBRE AÇOS PARA FINS ELÉTRICOS, SEMI-PROCESSADOS, NÃO ORIENTADOS

IndeferidaInvention Patent

Application data

Number

PI8201908

Type

Invention Patent

Filing

04/02/1982

Publication

03/08/1983

Progress at the INPI

Under appeal
  1. Filing04/02/82
  2. Publication03/08/83
  3. Examination10/18/83
  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.

Talk to a specialist

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

Applicants and inventors

Applicants

Armco, Inc.

US

See this company's full portfolio

Inventors

J. E. (pessoa física)

US

M. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

251,136 · 04/06/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

07/14/1987

RPI 873

Conhecimento de parecer técnico

#7.1

08/05/1986

RPI 824

Republicação - classificação IPC

#15.11

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

Publicação do pedido de patente

#3.1

03/08/1983

RPI 646

Pedido de patente depositado

#2.1

05/25/1982

RPI 605

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