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Official data from INPI

GUIA PARA USO NO CORTE DE DOIS ELEMENTOS DE FOLHAS FLEXÍVEIS E MÉTODO DE UNIR DUAS PARTES DE TAPETE OU MATERIAL SEMELHANTE A FOLHA EM UMA RELACÃO LADO A LADO

Arquivada/ExtintaInvention PatentPCT · GB1990000334

Application data

Number

PI9007173

Type

Invention Patent

Filing

03/05/1990

Publication

11/12/1991

PCT

GB1990000334

Progress at the INPI

  1. Filing03/05/90
  2. Publication11/12/91
  3. Examination04/06/93
  4. Allowance06/21/94
  5. Grant03/01/95
  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

Duralay Limited

GB

Inventors

J. W. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8905200.5 · 03/07/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/03/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

03/01/1995

RPI 1265

Notificação para pagamento de retribuição

#13.1

10/25/1994

RPI 1247

Deferimento

#9.1

06/21/1994

RPI 1229

Solicitação de exame técnico

#4.1

04/06/1993

RPI 1166

Notificação de entrada na fase nacional - PCT

#1.3

11/12/1991

RPI 1093

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