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Official data from INPI

BOLSA DE SEGURANÇA PARA DEPÓSITOS E TIRA ADESIVA DE FECHAMENTO

Arquivada/ExtintaInvention PatentPCT · US1989000822

Application data

Number

PI8907303

Type

Invention Patent

Filing

03/03/1989

Publication

03/19/1991

PCT

US1989000822

Progress at the INPI

  1. Filing03/03/89
  2. Publication03/19/91
  3. Examination10/29/91
  4. Allowance10/13/93
  5. Grant05/31/94
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

See this company's full portfolio

Inventors

B. H. (pessoa física)

US

B. M. (pessoa física)

US

S. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

159,431 · 03/07/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 03/03/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/13/1993

RPI 1193

Solicitação de exame técnico

#4.1

10/29/1991

RPI 1091

Notificação de entrada na fase nacional - PCT

#1.3

03/19/1991

RPI 1059

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