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Official data from INPI

PROCESSO PARA FABRICAÇÃO DE UM MOLDE TUBULAR, COM SEÇÃO TRANSVERSAL QUADRADA OU RETANGULAR

ConcedidaInvention Patent

Application data

Number

PI8302398

Type

Invention Patent

Filing

05/09/1983

Publication

01/10/1984

Progress at the INPI

  1. Filing05/09/83
  2. Publication01/10/84
  3. Examination05/13/86
  4. Allowance12/13/88
  5. Grant08/29/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kabel - Und Metallwerke Gutehoffnungshutte Aktiengesellschaft

DE

Inventors

E. W. (pessoa física)

DE

H. G. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 32 18 100.0 · 05/13/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/13/1988

RPI 947

Exigência - art. 36 da LPI

#6.1

05/17/1988

RPI 917

6.2

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

05/13/1986

RPI 812

Publicação do pedido de patente

#3.1

01/10/1984

RPI 690

Pedido de patente depositado

#2.1

06/28/1983

RPI 662

Carta-patente expirada

#21.1

Patente extinta em 09/05/98

07/01/2008

RPI 1956

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