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Official data from INPI

UNIDADE DE CONTROLE PARA APARELHO CONTACTADOR DE FASE

ConcedidaInvention Patent

Application data

Number

PI8206885

Type

Invention Patent

Filing

03/16/1981

Publication

03/01/1983

Progress at the INPI

  1. Filing03/16/81
  2. Publication03/01/83
  3. Examination11/06/84
  4. Allowance05/31/88
  5. Grant03/28/89
  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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ORSZAGOS KOOLAJ GAZIPARI [HU]

Inventors

K. [. (pessoa física)

P. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

09/20/1988

RPI 935

Deferimento

#9.1

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

08/25/1987

RPI 879

Conhecimento de parecer técnico

#7.1

04/29/1986

RPI 810

Exigência - art. 36 da LPI

#6.1

06/11/1985

RPI 764

Solicitação de exame técnico

#4.1

11/06/1984

RPI 733

Notificação de entrada na fase nacional - PCT

#1.3

03/01/1983

RPI 645

Carta-patente expirada

#21.1

Patente extinta em 15/03/97

08/19/2008

RPI 1963

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