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Official data from INPI

FORNO E PROCESSO PARA TRATAMENTO TERMICO EM PRESENCA DE UM GAS

Em AnáliseInvention Patent

Application data

Number

PI7604032

Type

Invention Patent

Filing

06/22/1976

Publication

-

Progress at the INPI

  1. Filing06/22/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Terminated10/23/90

The patent was granted on 02/24/1982 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: 11/11/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALCO STANDARD CORP

Inventors

R. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/11/1986

RPI 838

Concessão da patente

#16.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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