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Official data from INPI

ELEMENTO DE VEDAÇÃO ADAPTADO PARA FIXAÇÃO A E FECHAMENTO DE UMA ABERTURA DE UM RECIPIENTE

Arquivada/ExtintaInvention PatentPCT · US1988002780

Application data

Number

PI8807696

Type

Invention Patent

Filing

08/23/1988

Publication

07/31/1990

PCT

US1988002780

Progress at the INPI

  1. Filing08/23/88
  2. Publication07/31/90
  3. Examination02/04/92
  4. Allowance08/03/93
  5. Grant03/29/94
  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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Illinois Tool Works, Inc.

US

Stanpac Inc

CA

See this company's full portfolio

Inventors

B. K. (pessoa física)

M. G. (pessoa física)

S. W. (pessoa física)

Technical data

IPC Classification

Priority claims

CA

546,450 · 09/09/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/08/2003

09/02/2008

RPI 1965

Transferência deferida

#25.1

Transferido de: Stanpac, Inc.

01/17/2006

RPI 1828

Concessão da patente

#16.1

03/29/1994

RPI 1217

Deferimento

#9.1

08/03/1993

RPI 1183

Solicitação de exame técnico

#4.1

02/04/1992

RPI 1105

Solicitação de exame não realizada

#4.2

09/03/1991

RPI 1083

Notificação de entrada na fase nacional - PCT

#1.3

07/31/1990

RPI 1026

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