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Official data from INPI

APERFEIÇOAMENTO EM BUZINA .

ConcedidaUtility Model
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Application data

Number

MU6401527

Type

Utility Model

Filing

09/19/1984

Publication

11/27/1984
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Progress at the INPI

  1. Filing09/19/84
  2. Publication11/27/84
  3. Examination02/20/85
  4. Allowance07/19/88
  5. Grant07/25/89
  6. Terminated03/10/92

The patent was granted on 07/25/1989 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALTEZA PRODUTOS ELETRÔNICOS LTDA .

Inventors

O. W. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

11/01/1988

RPI 941

100

07/19/1988

RPI 926

Petição de recurso

#12.2

03/08/1988

RPI 907

Retificação

#15.6

12/01/1987

RPI 893

Retificação

#15.3

08/04/1987

RPI 876

Indeferimento

#9.2

01/13/1987

RPI 847

Solicitação de exame técnico

#4.1

02/20/1985

RPI 748

Publicação antecipada

#3.2

11/27/1984

RPI 736

Pedido de patente depositado

#2.1

11/20/1984

RPI 735

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

Related

From the same holder

BUZINA ELETRÔNICA .

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