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Official data from INPI

PROCESSO PARA OBTENÇÃO DE UMA COQUILHA DE LINGOTAMENTO CONTÍNUO, COM CAMADA RESISTENTE AO DESGASTE

Em ExigênciaInvention Patent

Application data

Number

PI8501892

Type

Invention Patent

Filing

04/19/1985

Publication

12/24/1985

Progress at the INPI

  1. Filing04/19/85
  2. Publication12/24/85
  3. Examination12/22/87
  4. Allowance04/13/93
  5. Grant09/28/93
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kabel - Und Metallwerke Gutehoffnungshutte Ag.

DE

Inventors

H. G. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 15 050.1 · 04/21/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

12/22/1987

RPI 896

Publicação do pedido de patente

#3.1

12/24/1985

RPI 792

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Carta-patente expirada

#21.1

Patente extinta em 19/04/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

08/03/1993

RPI 1183

Deferimento

#9.1

04/13/1993

RPI 1167

Exigência - art. 36 da LPI

#6.1

09/29/1992

RPI 1139

Conhecimento de parecer técnico

#7.1

10/29/1991

RPI 1091

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