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Official data from INPI

PROCESSO PARA VAZAMENTO DE FUSÕES METÁLICAS

Em AnáliseInvention Patent

Application data

Number

PI8707366

Type

Invention Patent

Filing

06/09/1987

Publication

09/13/1988

Progress at the INPI

  1. Filing06/09/87
  2. Publication09/13/88
  3. Examination01/03/89
  4. Allowance03/01/95
  5. Grant10/31/95
  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: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eisenwerk Bruhl Gmbh

DE

Georg Fischer AG

CH

Inventors

H. S. (pessoa física)

DE

M. R. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

2442/86-1 · 06/17/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/03/1989

RPI 950

Notificação de entrada na fase nacional - PCT

#1.3

09/13/1988

RPI 934

Carta-patente expirada

#21.1

Patente extinta em 09/06/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/31/1995

RPI 1300

Notificação para pagamento de retribuição

#13.1

07/18/1995

RPI 1285

Deferimento

#9.1

03/01/1995

RPI 1265

Conhecimento de parecer técnico

#7.1

11/09/1993

RPI 1197

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