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Official data from INPI

COBERTA DOTADA DE ORIFÍCIOS PARA EMPREGO COM UM VENTILADOR DE FLUXO AXIAL, E, CONJUNTO DE VENTILADOR E DE COBERTA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9105385

Type

Invention Patent

Filing

12/12/1991

Publication

08/25/1992

Progress at the INPI

  1. Filing12/12/91
  2. Publication08/25/92
  3. Examination03/30/93
  4. Allowance12/19/95
  5. Grant12/31/96
  6. Expired07/06/10

The letters patent expired on 07/06/2010: 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: 07/06/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

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Inventors

Y. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/627,674 · 12/14/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 12/12/2006

07/06/2010

RPI 2061

Concessão da patente

#16.1

12/31/1996

RPI 1361

Notificação para pagamento de retribuição

#13.1

06/25/1996

RPI 1334

Deferimento

#9.1

12/19/1995

RPI 1307

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

Publicação do pedido de patente

#3.1

08/25/1992

RPI 1134

Pedido de patente depositado

#2.1

02/04/1992

RPI 1105

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