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Official data from INPI

SECADOR PARA BAGAÇO E/OU MEDULA DE CANA DE AÇUCAR COM LEITO MÓVEL DO TIPO VERTICAL COM GASES RESIDUAIS DE COMBUSTÃO EM CONTRA-CORRENTE

Arquivada/ExtintaInvention Patent
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Application data

Number

PI9102308

Type

Invention Patent

Filing

06/04/1991

Publication

01/14/1992
View on INPI

Progress at the INPI

  1. Filing06/04/91
  2. Publication01/14/92
  3. Examination07/06/93
  4. Allowance11/14/95
  5. Grant08/27/96
  6. Expired06/29/10

The letters patent expired on 06/29/2010: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/29/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Centro de Investigacion Y Assistência Tecnica Del Estado de Queretaro, A.C.

MX

Inventors

C. B. (pessoa física)

MX

Technical data

IPC Classification

F26B 17/20F26B 19/00

Priority claims

MX

21.023 · 06/06/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/06/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

08/27/1996

RPI 1343

Deferimento

#9.1

11/14/1995

RPI 1302

Republicação - classificação IPC

#15.11

05/02/1995

RPI 1274

Exigência - art. 36 da LPI

#6.1

03/07/1995

RPI 1266

Solicitação de exame técnico

#4.1

07/06/1993

RPI 1179

Publicação do pedido de patente

#3.1

01/14/1992

RPI 1102

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