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Official data from INPI

CONJUNTO DE CESTO DE ELEMENTOS DE BAIXO PERFIL PARA TROCADOR DE CALOR

Arquivada/ExtintaInvention PatentPCT · US1988002703

Application data

Number

PI8807654

Type

Invention Patent

Filing

08/09/1988

Publication

06/05/1990

PCT

US1988002703

Progress at the INPI

  1. Filing08/09/88
  2. Publication06/05/90
  3. Examination11/27/90
  4. Allowance12/01/92
  5. Grant06/29/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ABB Air Preheater Inc.

US

Abb Alstom Power Inc

US

Alstom Power INC

US

The Air Preheater Company, Inc.

US

See this company's full portfolio

Inventors

T. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

084.063 · 08/11/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 09/08/2003

09/02/2008

RPI 1965

Alteração de nome deferida

#25.4

Alterado de: Abb Alstom Power Inc.

05/21/2002

RPI 1637

Transferência deferida

#25.1

Transferido de: Abb Air Preheater, Inc.

04/30/2002

RPI 1634

Alteração de nome deferida

#25.4

Alterado de: The Air Preheater Company, Inc.

04/09/2002

RPI 1631

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

04/20/1993

RPI 1168

Deferimento

#9.1

12/01/1992

RPI 1148

Exigência - art. 36 da LPI

#6.1

02/11/1992

RPI 1106

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

Notificação de entrada na fase nacional - PCT

#1.3

06/05/1990

RPI 1021

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