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Official data from INPI

CONJUNTO DE TAMPO EXTREMO PARA SELAR UMA EXTREMIDADE DE UM FECHO DE JUNÇÃO DE CABOS

Prazo de SigiloInvention Patent

Application data

Number

PI8806373

Type

Invention Patent

Filing

12/02/1988

Publication

07/24/1990

Progress at the INPI

  1. Filing12/02/88
  2. Publication07/24/90
  3. Examination10/13/92
  4. Allowance09/06/94
  5. Grant04/25/95
  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: 04/11/1989. 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

K. R. (pessoa física)

US

W. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

131,913 · 12/11/1987

US

193,736 · 05/12/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Carta-patente expirada

#21.1

Patente extinta em 02/12/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

01/10/1995

RPI 1258

Deferimento

#9.1

09/06/1994

RPI 1240

Exigência - art. 36 da LPI

#6.1

03/01/1994

RPI 1213

Solicitação de exame técnico

#4.1

10/13/1992

RPI 1141

Publicação do pedido de patente

#3.1

07/24/1990

RPI 1025

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