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Official data from INPI

PROCESSO PARA OPERAR UM SISTEMA DE SUPRIMENTO DE AR PARA UMA UNIDADE DE TÊMPERA DE CHAPA DE VIDRO E SISTEMA DE SUPRIMENTO DE AR

DeferidaInvention Patent

Application data

Number

PI8405457

Type

Invention Patent

Filing

10/26/1984

Publication

09/03/1985

Progress at the INPI

  1. Filing10/26/84
  2. Publication09/03/85
  3. Examination10/14/86
  4. Allowance09/19/89
  5. Grant03/20/90
  6. Terminated05/14/96

The patent was granted on 03/20/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Glasstech, Inc.

US

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Inventors

J. N. (pessoa física)

US

R. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

551.572 · 11/14/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/19/1989

RPI 987

Exigência - art. 36 da LPI

#6.1

03/28/1989

RPI 962

6.2

07/26/1988

RPI 927

Solicitação de exame técnico

#4.1

10/14/1986

RPI 834

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/15/1985

RPI 743

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/16/1990

RPI 1002

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