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Official data from INPI

RENOVADOR DE AR POR INSUFLACAO E EXAUSTAO PORTATIL PARA SERVICO MEIO PESADO

ConcedidaInvention Patent

Application data

Number

PI7601990

Type

Invention Patent

Filing

03/31/1976

Publication

-

Progress at the INPI

  1. Filing03/31/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant11/30/82
  6. Terminated09/18/90

The patent was granted on 11/30/1982 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: 11/30/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BRASTEMP NORDESTE IND SA

Inventors

M. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/30/1982

RPI 632

14.1

08/17/1982

RPI 617

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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