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Official data from INPI

INTERRUPTOR ELÉTRICO

Em AnáliseInvention Patent

Application data

Number

PI8601840

Type

Invention Patent

Filing

04/17/1986

Publication

12/23/1986

Progress at the INPI

  1. Filing04/17/86
  2. Publication12/23/86
  3. Examination03/31/87
  4. Allowance06/18/91
  5. Grant02/18/92
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 03/31/1987. 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

W. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 13 803.3-3 · 04/17/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/31/1987

RPI 858

Publicação do pedido de patente

#3.1

12/23/1986

RPI 844

Pedido de patente depositado

#2.1

10/29/1986

RPI 836

Carta-patente expirada

#21.1

Patente extinta em 17/04/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

02/18/1992

RPI 1107

Republicação - classificação IPC

#15.11

11/12/1991

RPI 1093

Notificação para pagamento de retribuição

#13.1

10/15/1991

RPI 1089

Deferimento

#9.1

06/18/1991

RPI 1072

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