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Official data from INPI

PROCESSO DE DESCARBURACAO DE UM FERRO FUNDIDO AO CROMO

ConcedidaInvention Patent

Application data

Number

PI8100314

Type

Invention Patent

Filing

01/24/1980

Publication

-

Progress at the INPI

  1. Filing01/24/80
  2. Publication
  3. Examination12/01/81
  4. Allowance11/03/87
  5. Grant03/29/88
  6. Terminated06/20/95

The patent was granted on 03/29/1988 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. A. (pessoa física)

Inventors

M. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

100

11/03/1987

RPI 889

120

06/16/1987

RPI 869

Petição de recurso

#12.2

06/10/1986

RPI 816

Indeferimento

#9.2

02/18/1986

RPI 800

Exigência - art. 36 da LPI

#6.1

02/21/1984

RPI 696

Solicitação de exame técnico

#4.1

12/01/1981

RPI 580

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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