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Official data from INPI

CHAPA DE SUPERLIGA COM BASE DE NÍQUEL RECRISTALIZADA DIRECIONALMENTE E PROCESSO PARA PRODUZIR A DITA CHAPA

DeferidaInvention Patent

Application data

Number

PI8206836

Type

Invention Patent

Filing

11/25/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing11/25/82
  2. Publication10/04/83
  3. Examination05/28/85
  4. Allowance12/12/89
  5. Grant05/29/90
  6. Terminated04/11/95

The patent was granted on 05/29/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

H. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

325.248 · 11/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

12/12/1989

RPI 999

Exigência - art. 36 da LPI

#6.1

08/15/1989

RPI 982

Exigência - art. 36 da LPI

#6.1

12/06/1988

RPI 946

6.2

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

05/28/1985

RPI 762

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

01/18/1983

RPI 639

Anuidade - prazo legal encerrado

#18.2

04/11/1995

RPI 1271

Concessão da patente

#16.1

05/29/1990

RPI 1020

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