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Official data from INPI

DISPOSITIVO DE TRATAMENTO TÉRMICO A VAPOR COM PRESSÃO REDUZIDA

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906066

Type

Invention Patent

Filing

11/30/1989

Publication

06/04/1991

Progress at the INPI

  1. Filing11/30/89
  2. Publication06/04/91
  3. Examination07/30/91
  4. Allowance10/11/94
  5. Grant06/27/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TLV Company, Limited

JP

Inventors

H. Y. (pessoa física)

JP

T. M. (pessoa física)

JP

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

02/21/1995

RPI 1264

Deferimento

#9.1

10/11/1994

RPI 1245

Exigência - art. 36 da LPI

#6.1

11/30/1993

RPI 1200

Solicitação de exame técnico

#4.1

07/30/1991

RPI 1078

Publicação do pedido de patente

#3.1

06/04/1991

RPI 1070

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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