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Official data from INPI

INTERRUPTOR ELÉTRICO INSTANTÂNEO

Em AnáliseInvention Patent

Application data

Number

PI8501910

Type

Invention Patent

Filing

04/23/1985

Publication

11/25/1986

Progress at the INPI

  1. Filing04/23/85
  2. Publication11/25/86
  3. Examination03/04/87
  4. Allowance06/19/90
  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.

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Latest action published by the INPI: 03/04/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Leopold Kostal GmbH & Co. Kg

DE

See this company's full portfolio

Inventors

A. M. (pessoa física)

DE

F. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 38 304.2 · 10/19/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/04/1987

RPI 854

Publicação do pedido de patente

#3.1

11/25/1986

RPI 840

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Carta-patente expirada

#21.1

Patente extinta em 23/04/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

10/02/1990

RPI 1035

Deferimento

#9.1

06/19/1990

RPI 1023

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