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Official data from INPI

SELO INTERNO DE SEGURANÇA APERFEIÇOADO DE FÁCIL ABERTURA, E, RECIPIENTE SELADO PROVIDO COM O REFERIDO SELO

Arquivada/ExtintaInvention PatentPCT · US1990000316

Application data

Number

PI9007164

Type

Invention Patent

Filing

01/17/1990

Publication

11/12/1991

PCT

US1990000316

Progress at the INPI

  1. Filing01/17/90
  2. Publication11/12/91
  3. Examination11/24/92
  4. Allowance03/14/95
  5. Grant09/26/95
  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

Minnesota Mining and Manufacturing Company

US

Minnesota Mining And Manufacturing Company

US

See this company's full portfolio

Inventors

T. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

314,392 · 02/27/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/01/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

09/26/1995

RPI 1295

Deferimento

#9.1

03/14/1995

RPI 1267

Exigência - art. 36 da LPI

#6.1

08/09/1994

RPI 1236

Solicitação de exame técnico

#4.1

11/24/1992

RPI 1147

Notificação de entrada na fase nacional - PCT

#1.3

11/12/1991

RPI 1093

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