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Official data from INPI

DISJUNTOR DE PROTEÇÃO DE LINHA

PublicadaInvention Patent

Application data

Number

PI8803504

Type

Invention Patent

Filing

07/12/1988

Publication

01/31/1989

Progress at the INPI

  1. Filing07/12/88
  2. Publication01/31/89
  3. Examination11/13/90
  4. Allowance11/30/93
  5. Grant06/28/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

See this company's full portfolio

Inventors

R. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 23 122.7 · 07/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/31/1989

RPI 954

Pedido de patente depositado

#2.1

12/20/1988

RPI 948

Carta-patente expirada

#21.1

Patente extinta em 12/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

04/19/1994

RPI 1220

Deferimento

#9.1

11/30/1993

RPI 1200

Solicitação de exame técnico

#4.1

11/13/1990

RPI 1041

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