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Official data from INPI

INTERRUPTOR DE CIRCUITO

Em AnáliseInvention Patent

Application data

Number

PI8506520

Type

Invention Patent

Filing

12/26/1985

Publication

09/09/1986

Progress at the INPI

  1. Filing12/26/85
  2. Publication09/09/86
  3. Examination09/27/88
  4. Allowance06/11/91
  5. Grant02/04/92
  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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

See this company's full portfolio

Inventors

C. H. (pessoa física)

US

J. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

687.114 · 12/28/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/27/1988

RPI 936

Publicação do pedido de patente

#3.1

09/09/1986

RPI 829

Pedido de patente depositado

#2.1

03/04/1986

RPI 802

Carta-patente expirada

#21.1

Patente extinta em 26/12/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

02/04/1992

RPI 1105

Notificação para pagamento de retribuição

#13.1

10/08/1991

RPI 1088

Republicação - classificação IPC

#15.11

07/16/1991

RPI 1076

Deferimento

#9.1

06/11/1991

RPI 1071

Exigência - art. 36 da LPI

#6.1

01/08/1991

RPI 1049

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