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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM CIRCULADOR DE AR

Em AnáliseUtility Model

Application data

Number

MU6702576

Type

Utility Model

Filing

11/20/1987

Publication

06/28/1988

Progress at the INPI

  1. Filing11/20/87
  2. Publication06/28/88
  3. Examination08/23/88
  4. Allowance06/11/91
  5. Grant12/31/91
  6. Expired09/18/01

The letters patent expired on 09/18/2001: 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: 08/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. M. (pessoa física)

SP, BR

Inventors

P. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/23/1988

RPI 931

Publicação antecipada

#3.2

06/28/1988

RPI 923

Pedido de patente depositado

#2.1

03/15/1988

RPI 908

Carta-patente expirada

#21.1

Patente extinta em 20/11/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/18/2001

RPI 1602

Concessão da patente

#16.1

12/31/1991

RPI 1100

Notificação para pagamento de retribuição

#13.1

10/08/1991

RPI 1088

Deferimento

#9.1

06/11/1991

RPI 1071

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