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Official data from INPI

SISTEMA DE CONTROLE DE MAQUINA SOLDADORA DE REALIMENTACAO

ConcedidaInvention Patent

Application data

Number

PI8108839

Type

Invention Patent

Filing

10/16/1980

Publication

09/21/1982

Progress at the INPI

  1. Filing10/16/80
  2. Publication09/21/82
  3. Examination05/02/84
  4. Allowance12/29/87
  5. Grant08/30/88
  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.

Talk to a specialist

Latest action published by the INPI: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SQUARE D CO [US]

Inventors

A. [. (pessoa física)

J. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

03/12/1985

RPI 751

Solicitação de exame técnico

#4.1

05/02/1984

RPI 706

Notificação de entrada na fase nacional - PCT

#1.3

09/21/1982

RPI 622

Carta-patente expirada

#21.1

Patente extinta em 16/10/96

08/19/2008

RPI 1963

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