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Official data from INPI

BASE A GÁS

Arquivada/ExtintaInvention PatentPCT · GB1990000503

Application data

Number

PI9007272

Type

Invention Patent

Filing

04/04/1990

Publication

03/17/1992

PCT

GB1990000503

Progress at the INPI

  1. Filing04/04/90
  2. Publication03/17/92
  3. Examination11/03/92
  4. Allowance11/01/94
  5. Grant06/27/95
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Blue Circle Domestic Appliances Limited

GB

Inventors

E. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8907946.1 · 04/08/1989

GB

8920153.7 · 09/06/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/04/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

03/07/1995

RPI 1266

Deferimento

#9.1

11/01/1994

RPI 1248

Exigência - art. 36 da LPI

#6.1

04/19/1994

RPI 1220

Solicitação de exame técnico

#4.1

11/03/1992

RPI 1144

Notificação de entrada na fase nacional - PCT

#1.3

03/17/1992

RPI 1111

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