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Official data from INPI

DISPOSITIVO DE RESFRIAMENTO DE BARRAS ROEBEL DE ENROLAMENTOS DE ESTATORES DE MÁQUINAS ELÉTRICAS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001474

Type

Invention Patent

Filing

03/30/1990

Publication

04/16/1991

Progress at the INPI

  1. Filing03/30/90
  2. Publication04/16/91
  3. Examination07/20/93
  4. Allowance02/27/96
  5. Grant12/31/96
  6. Expired05/18/10

The letters patent expired on 05/18/2010: 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: 05/18/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GEC Alsthom SA

FR

See this company's full portfolio

Inventors

G. R. (pessoa física)

FR

J. G. (pessoa física)

FR

J. S. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

89 04252 · 03/31/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/03/2005

05/18/2010

RPI 2054

Concessão da patente

#16.1

12/31/1996

RPI 1361

Notificação para pagamento de retribuição

#13.1

09/24/1996

RPI 1347

Deferimento

#9.1

02/27/1996

RPI 1317

Solicitação de exame técnico

#4.1

07/20/1993

RPI 1181

Publicação do pedido de patente

#3.1

04/16/1991

RPI 1063

Pedido de patente depositado

#2.1

07/31/1990

RPI 1026

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