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Official data from INPI

SISTEMA HIDRÁULICO DE SEGURANÇA E DE REGULAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9102488

Type

Invention Patent

Filing

06/17/1991

Publication

01/21/1992

Progress at the INPI

  1. Filing06/17/91
  2. Publication01/21/92
  3. Examination03/09/93
  4. Allowance10/04/94
  5. Grant06/27/95
  6. Expired06/29/10

The letters patent expired on 06/29/2010: 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: 06/29/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Asea Brown Boveri AG

CH

Asea Brown Boveri AG,(em francês: Asea Brown Boveri SA: em inglês: Asea Brown Boveri Ltd.)

CH

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Inventors

E. B. (pessoa física)

CH

H. F. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

2023/90 · 06/18/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/06/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

02/07/1995

RPI 1262

Deferimento

#9.1

10/04/1994

RPI 1244

Solicitação de exame técnico

#4.1

03/09/1993

RPI 1162

Publicação do pedido de patente

#3.1

01/21/1992

RPI 1103

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