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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM VÁLVULA.

ConcedidaUtility Model

Application data

Number

MU6500790

Type

Utility Model

Filing

06/12/1985

Publication

09/03/1985

Progress at the INPI

  1. Filing06/12/85
  2. Publication09/03/85
  3. Examination12/10/85
  4. Allowance03/15/88
  5. Grant10/25/88
  6. Expired10/03/95

The letters patent expired on 10/03/1995: 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. N. (pessoa física)

SP, BR

Inventors

C. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

07/19/1988

RPI 926

Deferimento

#9.1

03/15/1988

RPI 908

Exigência - art. 36 da LPI

#6.1

10/13/1987

RPI 886

Republicação - classificação IPC

#15.11

08/25/1987

RPI 879

Solicitação de exame técnico

#4.1

12/10/1985

RPI 790

Publicação antecipada

#3.2

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

08/27/1985

RPI 775

Carta-patente expirada

#21.1

10/03/1995

RPI 1296

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