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Official data from INPI

CONECTOR ELÉTRICO OPERADO EXPLOSIVAMENTE

PublicadaInvention Patent

Application data

Number

PI8706897

Type

Invention Patent

Filing

12/17/1987

Publication

07/26/1988

Progress at the INPI

  1. Filing12/17/87
  2. Publication07/26/88
  3. Examination11/20/90
  4. Allowance08/30/94
  5. Grant11/29/94
  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.

Talk to a specialist

Latest action published by the INPI: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. I. (pessoa física)

US

See this company's full portfolio

Inventors

W. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

944,473 · 12/19/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/26/1988

RPI 927

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Carta-patente expirada

#21.1

Patente extinta em 17/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/29/1994

RPI 1252

100

08/30/1994

RPI 1239

Petição de recurso

#12.2

03/01/1994

RPI 1213

Indeferimento

#9.2

09/28/1993

RPI 1191

Conhecimento de parecer técnico

#7.1

08/04/1992

RPI 1131

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

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