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Official data from INPI

Detetor adaptativo de falta de fase.

ConcedidaInvention Patent

Application data

Number

PI8100035

Type

Invention Patent

Filing

01/05/1981

Publication

09/08/1982

Progress at the INPI

  1. Filing01/05/81
  2. Publication09/08/82
  3. Examination01/11/83
  4. Allowance10/30/84
  5. Grant05/28/85
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Industrias Villares S/A.

SP, BR

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Inventors

D. H. (pessoa física)

K. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/30/1984

RPI 732

Exigência - art. 36 da LPI

#6.1

05/29/1984

RPI 710

Solicitação de exame técnico

#4.1

01/11/1983

RPI 638

Publicação do pedido de patente

#3.1

09/08/1982

RPI 620

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

Cessão de direito de exploração

#22.1

03/20/1990

RPI 1010

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