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Official data from INPI

RECIPIENTE DE TRATAMENTO PARA TRATAMENTO DE MASSAS FUNDIDAS DE METAL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100018

Type

Invention Patent

Filing

01/04/1991

Publication

10/22/1991

Progress at the INPI

  1. Filing01/04/91
  2. Publication10/22/91
  3. Examination04/07/92
  4. Allowance09/22/98
  5. Grant12/29/98
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Georg Fischer AG

CH

See this company's full portfolio

Inventors

A. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

CH

00 037/90-8 · 01/05/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/01/2011

05/28/2013

RPI 2212

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

09/22/1998

RPI 1448

Exigência - art. 36 da LPI

#6.1

04/28/1998

RPI 1427

6.5

08/20/1996

RPI 1342

6.2

04/02/1996

RPI 1322

Solicitação de exame técnico

#4.1

04/07/1992

RPI 1114

Publicação do pedido de patente

#3.1

10/22/1991

RPI 1090

Pedido de patente depositado

#2.1

07/30/1991

RPI 1078

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