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Official data from INPI

APARELHO DETECTOR DE CONDICOES ANORMAIS EM REDES DE ENERGIA ELETRICA

ConcedidaInvention Patent
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Application data

Number

PI8300057

Type

Invention Patent

Filing

01/12/1982

Publication

09/20/1983
View on INPI

Progress at the INPI

  1. Filing01/12/82
  2. Publication09/20/83
  3. Examination11/29/83
  4. Allowance03/31/87
  5. Grant09/29/87
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PROBEL SRL [AR]

Inventors

C. O. (pessoa física)

Technical data

IPC Classification

B30B 9/30

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

08/11/1987

RPI 877

Deferimento

#9.1

03/31/1987

RPI 858

Retificação

#15.6

02/17/1987

RPI 852

Retificação

#15.3

12/02/1986

RPI 841

14.1

02/18/1986

RPI 800

Exigência - art. 36 da LPI

#6.1

03/26/1985

RPI 753

Solicitação de exame técnico

#4.1

11/29/1983

RPI 684

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

02/22/1983

RPI 644

Carta-patente expirada

#21.1

Patente extinta em 07/01/98

08/19/2008

RPI 1963

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