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Official data from INPI

SISTEMA DE PÁS MÓVEL PARA TURBINAS A VAPOR

PublicadaInvention Patent

Application data

Number

PI8801122

Type

Invention Patent

Filing

03/11/1988

Publication

10/18/1988

Progress at the INPI

  1. Filing03/11/88
  2. Publication10/18/88
  3. Examination02/19/91
  4. Allowance09/15/92
  5. Grant04/27/93
  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: 10/18/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alsthom

FR

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Inventors

G. R. (pessoa física)

FR

P. B. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

87 03 390 · 03/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/18/1988

RPI 939

Pedido de patente depositado

#2.1

05/31/1988

RPI 919

Carta-patente expirada

#21.1

Patente extinta em 11/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

02/02/1993

RPI 1157

Deferimento

#9.1

09/15/1992

RPI 1137

Exigência - art. 36 da LPI

#6.1

12/03/1991

RPI 1096

Solicitação de exame técnico

#4.1

02/19/1991

RPI 1055

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