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Official data from INPI

DISPOSITIVO MISTURADOR

ConcedidaInvention Patent

Application data

Number

PI8105289

Type

Invention Patent

Filing

08/19/1981

Publication

05/04/1982

Progress at the INPI

  1. Filing08/19/81
  2. Publication05/04/82
  3. Examination07/13/82
  4. Allowance12/04/84
  5. Grant05/28/85
  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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. A. (pessoa física)

SE

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Inventors

F. J. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

80.05823-3 · 08/19/1980

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

04/09/1985

RPI 755

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Deferimento

#9.1

12/04/1984

RPI 737

Exigência - art. 36 da LPI

#6.1

06/05/1984

RPI 711

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

Publicação do pedido de patente

#3.1

05/04/1982

RPI 602

Carta-patente expirada

#21.1

Patente extinta em 18/08/96

08/19/2008

RPI 1963

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