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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM VARETA DE NÍVEL DE ÓLEO

DeferidaUtility Model

Application data

Number

MU6401322

Type

Utility Model

Filing

08/17/1984

Publication

03/25/1986

Progress at the INPI

  1. Filing08/17/84
  2. Publication03/25/86
  3. Examination12/23/86
  4. Allowance09/12/89
  5. Grant03/20/90
  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: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. Z. (pessoa física)

RJ, BR

Inventors

P. Z. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/12/1989

RPI 986

Exigência - art. 36 da LPI

#6.1

04/11/1989

RPI 964

Exigência - art. 36 da LPI

#6.1

10/13/1987

RPI 886

Solicitação de exame técnico

#4.1

12/23/1986

RPI 844

Publicação do pedido de patente

#3.1

03/25/1986

RPI 805

Pedido de patente depositado

#2.1

10/23/1984

RPI 731

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/16/1990

RPI 1002

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