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Official data from INPI

CONJUNTO PERMUTADOR TÉRMICO RESISTENTE À CORROSÃO, USINA DE ENERGIA E PROCESSO PARA FABRICAÇÃO DE CONJUNTO DE PERMUTADOR TÉRMICO COM ALETA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004131

Type

Invention Patent

Filing

08/21/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/21/90
  2. Publication09/03/91
  3. Examination11/03/93
  4. Allowance05/11/99
  5. Grant07/27/99
  6. Expired01/29/13

The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Modine Manufacturing Company

US

See this company's full portfolio

Inventors

A. C. (pessoa física)

US

Z. S. (pessoa física)

US

Technical data

Priority claims

US

406.064 · 09/12/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/08/2010

01/29/2013

RPI 2195

Concessão da patente

#16.1

07/27/1999

RPI 1490

Republicação - classificação IPC

#15.11

Alterada de Int.Cl 6 H02N 3/00

05/11/1999

RPI 1479

Deferimento

#9.1

05/11/1999

RPI 1479

Exigência - art. 36 da LPI

#6.1

09/30/1997

RPI 1400

Solicitação de exame técnico

#4.1

11/03/1993

RPI 1196

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/26/1991

RPI 1056

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