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Official data from INPI

EVAPORADOR, ESPECIALMENTE ADEQUADO PARA USO NA PRODUÇÃO DE AÇÚCAR

Arquivada/ExtintaInvention PatentPCT · GB1990001172

Application data

Number

PI9007562

Type

Invention Patent

Filing

07/27/1990

Publication

06/23/1992

PCT

GB1990001172

Progress at the INPI

  1. Filing07/27/90
  2. Publication06/23/92
  3. Examination07/20/93
  4. Allowance06/22/99
  5. Grant02/22/00
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fletcher Smith Limited

GB

Inventors

J. T. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8917313.2 · 07/28/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C13F 1/02; B01D 9/02.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 27/07/2010

01/22/2013

RPI 2194

Concessão da patente

#16.1

02/22/2000

RPI 1520

Deferimento

#9.1

06/22/1999

RPI 1485

Exigência - art. 36 da LPI

#6.1

12/22/1998

RPI 1459

Solicitação de exame técnico

#4.1

07/20/1993

RPI 1181

Notificação de entrada na fase nacional - PCT

#1.3

06/23/1992

RPI 1125

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