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Official data from INPI

PROCESSO E APARELHAGEM PARA SECAR COMPENSADO E PRODUTOS SIMILARES

Arquivada/ExtintaInvention PatentPCT · SE1989000412

Application data

Number

PI8907553

Type

Invention Patent

Filing

07/13/1989

Publication

06/18/1991

PCT

SE1989000412

Progress at the INPI

  1. Filing07/13/89
  2. Publication06/18/91
  3. Examination11/05/91
  4. Allowance11/03/92
  5. Grant05/25/93
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. L. (pessoa física)

SE

Inventors

N. L. (pessoa física)

SE

Technical data

Priority claims

SE

8802655-4 · 07/15/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/07/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

05/25/1993

RPI 1173

Deferimento

#9.1

11/03/1992

RPI 1144

Solicitação de exame técnico

#4.1

11/05/1991

RPI 1092

Notificação de entrada na fase nacional - PCT

#1.3

06/18/1991

RPI 1072

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