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Official data from INPI

CIRCULADOR DE AR DE FLUXO GIRATÓRIO

DeferidaUtility Model

Application data

Number

MU6302102

Type

Utility Model

Filing

12/09/1983

Publication

07/16/1985

Progress at the INPI

  1. Filing12/09/83
  2. Publication07/16/85
  3. Examination08/12/86
  4. Allowance08/29/89
  5. Grant03/20/90
  6. Expired09/27/94

The letters patent expired on 09/27/1994: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

No applicants.

Inventors

A. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/29/1989

RPI 984

15.10

08/22/1989

RPI 983

Exigência - art. 36 da LPI

#6.1

10/25/1988

RPI 940

Conhecimento de parecer técnico

#7.1

06/16/1987

RPI 869

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

07/16/1985

RPI 769

Pedido de patente depositado

#2.1

02/28/1984

RPI 697

Carta-patente expirada

#21.1

09/27/1994

RPI 1243

Concessão da patente

#16.1

03/20/1990

RPI 1010

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