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Official data from INPI

DISPOSICAO CONSTRUTIVA EM DISPOSITIVO MISTURADOR DE FLUIDOS

Em AnáliseUtility Model

Application data

Number

MU6100919

Type

Utility Model

Filing

07/09/1981

Publication

02/16/1983

Progress at the INPI

  1. Filing07/09/81
  2. Publication02/16/83
  3. Examination11/20/84
  4. Allowance08/06/85
  5. Grant04/29/86
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. E. (pessoa física)

Inventors

O. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.11

03/17/1987

RPI 856

Pedido de licença compulsória

#20.1

12/30/1986

RPI 845

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/10/1985

RPI 790

Deferimento

#9.1

08/06/1985

RPI 772

Solicitação de exame técnico

#4.1

11/20/1984

RPI 735

Publicação do pedido de patente

#3.1

02/16/1983

RPI 643

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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