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Official data from INPI

CONECTOR MECÂNICO REUTILIZÁVEL PARA UMA FIBRA ÓPTICA QUE TEM UM AMORTECEDOR PROTETOR, E, CONECTOR MECÂNICO REUTILIZÁVEL PARA INTERLIGAR DUAS FIBRAS ÓPTICAS QUE TEM AMORTECEDORES PROTETORES

Arquivada/ExtintaInvention Patent

Application data

Number

PI9006667

Type

Invention Patent

Filing

12/28/1990

Publication

11/19/1991

Progress at the INPI

  1. Filing12/28/90
  2. Publication11/19/91
  3. Examination02/16/94
  4. Allowance09/12/95
  5. Grant05/28/96
  6. Expired06/08/10

The letters patent expired on 06/08/2010: 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: 06/08/2010. 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

J. B. (pessoa física)

US

M. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/461,176 · 01/05/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/12/2005

06/08/2010

RPI 2057

Concessão da patente

#16.1

05/28/1996

RPI 1330

Deferimento

#9.1

09/12/1995

RPI 1293

Solicitação de exame técnico

#4.1

02/16/1994

RPI 1211

Publicação do pedido de patente

#3.1

11/19/1991

RPI 1094

Pedido de patente depositado

#2.1

06/25/1991

RPI 1073

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