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Official data from INPI

CONJUNTO DE INTERRUPTOR DE TRAVAMENTO.

PublicadaInvention Patent

Application data

Number

PI8701841

Type

Invention Patent

Filing

04/15/1987

Publication

02/09/1988

Progress at the INPI

  1. Filing04/15/87
  2. Publication02/09/88
  3. Examination08/28/90
  4. Allowance06/08/93
  5. Grant10/26/93
  6. Terminated10/17/95

The patent was granted on 10/26/1993 and later terminated for failure to pay the annuities. The technology is in the public domain 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

Litton Systems, Inc.

US

See this company's full portfolio

Inventors

G. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

866,115 · 05/22/1986

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

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

10/26/1993

RPI 1195

Deferimento

#9.1

06/08/1993

RPI 1175

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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