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Official data from INPI

APARELHO DE COCÇÃO POR CORRENTE DE AR

Prazo de SigiloInvention Patent

Application data

Number

PI8903056

Type

Invention Patent

Filing

06/14/1989

Publication

12/26/1990

Progress at the INPI

  1. Filing06/14/89
  2. Publication12/26/90
  3. Examination03/16/93
  4. Allowance11/03/93
  5. Grant05/31/94
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 08/08/1989. 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).

Pedido de patente depositado

#2.1

08/08/1989

RPI 981

Carta-patente expirada

#21.1

Patente extinta em 14/06/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

11/03/1993

RPI 1196

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Publicação do pedido de patente

#3.1

12/26/1990

RPI 1047

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