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Official data from INPI

CONJUNTO DE CESTAS DE ELEMENTOS PARA TROCADOR DE CALOR

Arquivada/ExtintaInvention PatentPCT · US1991003640

Application data

Number

PI9106643

Type

Invention Patent

Filing

05/28/1991

Publication

06/08/1993

PCT

US1991003640

Progress at the INPI

  1. Filing05/28/91
  2. Publication06/08/93
  3. Examination03/15/94
  4. Allowance04/22/98
  5. Grant11/24/98
  6. Expired06/18/13

The letters patent expired on 06/18/2013: 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: 06/18/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ABB Air Preheater, Inc.

US

ABB Alstom Power Inc

CH

Alstom Power Inc.

US

See this company's full portfolio

Inventors

L. E. (pessoa física)

US

N. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

553032 · 07/16/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/05/2011

06/18/2013

RPI 2215

Alteração de nome deferida

#25.4

Alterado de: ABB Alstom Power Inc.

12/26/2001

RPI 1616

Transferência deferida

#25.1

Transferido de: ABB Air Preheater, Inc.

11/13/2001

RPI 1610

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

04/22/1998

RPI 1426

Exigência - art. 36 da LPI

#6.1

12/19/1995

RPI 1307

Solicitação de exame técnico

#4.1

03/15/1994

RPI 1215

Retificação da notificação da fase nacional - PCT

#1.3.1

08/10/1993

RPI 1184

Notificação de entrada na fase nacional - PCT

#1.3

06/08/1993

RPI 1175

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