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Official data from INPI

MÁQUINA ELÉTRICA

Em AnáliseInvention Patent

Application data

Number

PI8503684

Type

Invention Patent

Filing

08/05/1985

Publication

05/06/1986

Progress at the INPI

  1. Filing08/05/85
  2. Publication05/06/86
  3. Examination06/28/88
  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: 06/28/1988. 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

4397/84-7 · 09/14/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/28/1988

RPI 923

Publicação do pedido de patente

#3.1

05/06/1986

RPI 811

Pedido de patente depositado

#2.1

10/01/1985

RPI 780

Carta-patente expirada

#21.1

Patente extinta em 05/08/2000

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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