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Official data from INPI

TRANSDUTOR PIEZOELÉTRICO E SUA APLICAÇÃO NO OSCILADOR DE RUÍDO.

ArquivadaInvention Patent

Application data

Number

PI8505686

Type

Invention Patent

Filing

11/05/1985

Publication

06/09/1987

Progress at the INPI

  1. Filing11/05/85
  2. Publication06/09/87
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 11/05/1985 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cerâmica e Velas de Ignição Ngk do Brasil S/A

SP, BR

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Inventors

M. Y. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

12/12/1989

RPI 999

Publicação do pedido de patente

#3.1

06/09/1987

RPI 868

Pedido de patente depositado

#2.1

01/21/1986

RPI 796

Republicação - classificação IPC

#15.11

12/15/2009

RPI 2032

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