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Official data from INPI

PROCESSO E DISPOSITIVO PARA A FUNDIÇÃO CONTÍNUA DE BARRAS DE METAL

Arquivada/ExtintaInvention PatentPCT · DE1987000603

Application data

Number

PI8707607

Type

Invention Patent

Filing

12/19/1987

Publication

10/03/1989

PCT

DE1987000603

Progress at the INPI

  1. Filing12/19/87
  2. Publication10/03/89
  3. Examination01/23/90
  4. Allowance11/29/94
  5. Grant07/25/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Heide Hein Engineering & Design

DE

Inventors

W. E. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 43 940.1 · 12/22/1986

DE

P 37 36 956.3 · 10/31/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/03/1989

RPI 989

Carta-patente expirada

#21.1

Patente extinta em 19/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

04/04/1995

RPI 1270

Deferimento

#9.1

11/29/1994

RPI 1252

Exigência - art. 36 da LPI

#6.1

06/07/1994

RPI 1227

Solicitação de exame técnico

#4.1

01/23/1990

RPI 1003

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