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Official data from INPI

DISPOSITIVO DE CONTACTO ELÉTRICO PARA INSTALAÇÕES PROTETORAS DE IMPACTO POR AGREGAÇÃO DE GÁS

Em AnáliseInvention Patent

Application data

Number

PI8602200

Type

Invention Patent

Filing

05/15/1986

Publication

12/22/1987

Progress at the INPI

  1. Filing05/15/86
  2. Publication12/22/87
  3. Examination03/15/88
  4. Allowance10/08/91
  5. Grant06/30/92
  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.

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Latest action published by the INPI: 03/15/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. A. (pessoa física)

DE

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Inventors

G. Z. (pessoa física)

DE

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/15/1988

RPI 908

Publicação do pedido de patente

#3.1

12/22/1987

RPI 896

Pedido de patente depositado

#2.1

11/11/1986

RPI 838

Carta-patente expirada

#21.1

Patente extinta em 15/05/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

06/30/1992

RPI 1126

Notificação para pagamento de retribuição

#13.1

02/11/1992

RPI 1106

Deferimento

#9.1

10/08/1991

RPI 1088

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