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Official data from INPI

PROCESSO PARA PRODUZIR NEVE DENTRO DE UM ENVÓLUCRO CONFINADO DE AR, EQUIPAMENTO PARA O MESMO E EQUIPAMENTO DE AR CONDICIONADO

Arquivada/ExtintaInvention PatentPCT · GB1989000685

Application data

Number

PI8907016

Type

Invention Patent

Filing

06/19/1989

Publication

12/26/1990

PCT

GB1989000685

Progress at the INPI

  1. Filing06/19/89
  2. Publication12/26/90
  3. Examination04/14/92
  4. Allowance03/07/95
  5. Grant09/26/95
  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

M. C. (pessoa física)

GB

Inventors

M. C. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8814769.9 · 06/22/1988

GB

8903304.7 · 02/14/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/06/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

09/26/1995

RPI 1295

Deferimento

#9.1

03/07/1995

RPI 1266

Solicitação de exame técnico

#4.1

04/14/1992

RPI 1115

Notificação de entrada na fase nacional - PCT

#1.3

12/26/1990

RPI 1047

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