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Official data from INPI

APARELHO SECADOR PARA SECAGEM DE UMA TIRA E RESPECTIVO PROCESSO DE SECAGEM

Arquivada/ExtintaInvention PatentPCT · US1989002989

Application data

Number

PI8907548

Type

Invention Patent

Filing

07/10/1989

Publication

06/11/1991

PCT

US1989002989

Progress at the INPI

  1. Filing07/10/89
  2. Publication06/11/91
  3. Examination10/22/91
  4. Allowance01/18/00
  5. Grant07/11/00
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

G. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

223.186 · 07/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/07/2010

12/26/2012

RPI 2190

Concessão da patente

#16.1

07/11/2000

RPI 1540

Deferimento

#9.1

01/18/2000

RPI 1515

Exigência - art. 36 da LPI

#6.1

05/05/1998

RPI 1428

Exigência - art. 36 da LPI

#6.1

12/24/1996

RPI 1360

Solicitação de exame técnico

#4.1

10/22/1991

RPI 1090

Notificação de entrada na fase nacional - PCT

#1.3

06/11/1991

RPI 1071

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