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Official data from INPI

CABEÇOTE DE LIMPEZA

Arquivada/ExtintaInvention PatentPCT · GB1988000542

Application data

Number

PI8807122

Type

Invention Patent

Filing

07/07/1988

Publication

10/31/1989

PCT

GB1988000542

Progress at the INPI

  1. Filing07/07/88
  2. Publication10/31/89
  3. Examination02/05/91
  4. Allowance08/24/93
  5. Grant06/28/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vax Appliances Inc

US

Vax Appliances Limited

GB

Inventors

A. B. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8716295 · 07/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Carta-patente expirada

#21.1

Patente extinta em 07/07/2003

09/02/2008

RPI 1965

Pedido de licença compulsória

#20.1

09/26/1995

RPI 1295

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

02/08/1994

RPI 1210

Deferimento

#9.1

08/24/1993

RPI 1186

Solicitação de exame técnico

#4.1

02/05/1991

RPI 1053

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