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Official data from INPI

DISPOSITIVO DE CONEXÃO PARA A ADUÇÃO E DESCARGA DO LÍQUIDO DE REFRIGERAÇÃO PARA, E DOS CONDUTORES OCOS DAS BARRAS DE ENROLAMENTO DE ESTATOR DE MÁQUINAS ELÉTRICAS.

Em AnáliseInvention Patent

Application data

Number

PI8503728

Type

Invention Patent

Filing

08/07/1985

Publication

05/13/1986

Progress at the INPI

  1. Filing08/07/85
  2. Publication05/13/86
  3. Examination06/16/87
  4. Allowance06/05/90
  5. Grant12/26/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 06/16/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC Brown, Boveri & Company Limited

CH

See this company's full portfolio

Inventors

E. B. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

4272/84-9 · 09/07/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação do pedido de patente

#3.1

05/13/1986

RPI 812

Pedido de patente depositado

#2.1

10/08/1985

RPI 781

Carta-patente expirada

#21.1

Patente extinta em 07/08/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

09/18/1990

RPI 1033

Deferimento

#9.1

06/05/1990

RPI 1021

6.2

01/02/1990

RPI 1000

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