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Official data from INPI

PROCESSO E DISPOSITIVO PARA A REFRIGERAÇÃO DE APARELHAGEM ELÉTRICA

ConcedidaInvention Patent

Application data

Number

PI8400749

Type

Invention Patent

Filing

02/20/1984

Publication

09/25/1984

Progress at the INPI

  1. Filing02/20/84
  2. Publication09/25/84
  3. Examination12/11/84
  4. Allowance05/23/89
  5. Grant11/28/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 11/28/1989. 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

G. R. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

CH

977/83-9 · 02/22/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/19/1989

RPI 987

Deferimento

#9.1

05/23/1989

RPI 970

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

12/11/1984

RPI 738

Publicação do pedido de patente

#3.1

09/25/1984

RPI 727

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Carta-patente expirada

#21.1

Patente extinta em 20/02/99

07/08/2008

RPI 1957

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