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Official data from INPI

SISTEMA SILENCIADOR COM RECUPERAÇÃO DE CALOR

PublicadaInvention Patent

Application data

Number

PI8801074

Type

Invention Patent

Filing

03/08/1988

Publication

10/18/1988

Progress at the INPI

  1. Filing03/08/88
  2. Publication10/18/88
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 03/08/1988 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/18/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Teledyne Industries, Inc

US

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Inventors

J. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

023.534 · 03/09/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/18/1988

RPI 939

Pedido de patente depositado

#2.1

06/28/1988

RPI 923

Arquivamento - Art. 33 da LPI

#11.1

06/11/1991

RPI 1071

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