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Official data from INPI

VÁLVULA DE RETENÇÃO PARA A PASSAGEM DE DESCARGA DE UMA EMBALAGEM DISPENSADORA DE AEROSOL

Arquivada/ExtintaInvention PatentPCT · GB1990001370

Application data

Number

PI9006905

Type

Invention Patent

Filing

09/05/1990

Publication

10/22/1991

PCT

GB1990001370

Progress at the INPI

  1. Filing09/05/90
  2. Publication10/22/91
  3. Examination05/25/93
  4. Allowance05/09/95
  5. Grant11/28/95
  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

British Technology Group Limited

GB

See this company's full portfolio

Inventors

W. W. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

UK

8920365.7 · 09/08/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/09/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

11/28/1995

RPI 1304

Notificação para pagamento de retribuição

#13.1

09/26/1995

RPI 1295

Deferimento

#9.1

05/09/1995

RPI 1275

Solicitação de exame técnico

#4.1

05/25/1993

RPI 1173

14.1

03/16/1993

RPI 1163

Solicitação de exame não realizada

#4.2

12/22/1992

RPI 1151

Notificação de entrada na fase nacional - PCT

#1.3

10/22/1991

RPI 1090

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