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Official data from INPI

CONECTOR DE FIBRA ÓTICA

PublicadaInvention Patent

Application data

Number

PI8702166

Type

Invention Patent

Filing

04/30/1987

Publication

02/09/1988

Progress at the INPI

  1. Filing04/30/87
  2. Publication02/09/88
  3. Examination09/18/90
  4. Allowance01/14/92
  5. Grant10/27/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 02/09/1988. 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

J. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

858.030 · 05/01/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/09/1988

RPI 903

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Carta-patente expirada

#21.1

Patente extinta em 30/04/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/27/1992

RPI 1143

Notificação para pagamento de retribuição

#13.1

06/02/1992

RPI 1122

Deferimento

#9.1

01/14/1992

RPI 1102

Exigência - art. 36 da LPI

#6.1

09/10/1991

RPI 1084

Solicitação de exame técnico

#4.1

09/18/1990

RPI 1033

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