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Official data from INPI

APARELHO DE ROLO GUIA A VÁCUO E PROCESSO PARA GUIAR UMA TIRA ENTRE UM SECADOR A MONTANTE E UM SECADOR A JUSANTE DE UMA SEÇÃO DE SECAGEM.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005060

Type

Invention Patent

Filing

10/10/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing10/10/90
  2. Publication09/17/91
  3. Examination12/24/91
  4. Allowance10/06/98
  5. Grant02/23/99
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

A. R. (pessoa física)

US

G. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

429,592 · 10/31/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 10/10/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

02/23/1999

RPI 1468

Deferimento

#9.1

10/06/1998

RPI 1450

Exigência - art. 36 da LPI

#6.1

01/06/1998

RPI 1411

Solicitação de exame técnico

#4.1

12/24/1991

RPI 1099

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/09/1991

RPI 1062

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