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Official data from INPI

VÁLVULA PNEUMÁTICA.

ConcedidaUtility Model

Application data

Number

MU6301548

Type

Utility Model

Filing

10/18/1983

Publication

03/27/1984

Progress at the INPI

  1. Filing10/18/83
  2. Publication03/27/84
  3. Examination05/29/84
  4. Allowance09/02/86
  5. Grant06/30/87
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Funk Indústria e Comércio de Equipamento de Raio X Ltda

Inventors

S. C. (pessoa física)

T. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

12/23/1986

RPI 844

Deferimento

#9.1

09/02/1986

RPI 828

Exigência - art. 36 da LPI

#6.1

10/22/1985

RPI 783

Solicitação de exame técnico

#4.1

05/29/1984

RPI 710

Publicação antecipada

#3.2

03/27/1984

RPI 701

Pedido de patente depositado

#2.1

01/10/1984

RPI 690

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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