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Official data from INPI

PROCESSO E APARELHAGEM PARA A FORMACAO CONTINUA DE REVESTIMENTO REFRATARIO EM PAREDES DE FORNOS

Em AnáliseInvention Patent

Application data

Number

PI7807860

Type

Invention Patent

Filing

11/30/1978

Publication

-

Progress at the INPI

  1. Filing11/30/78
  2. Publication
  3. Examination
  4. Allowance07/13/82
  5. Grant01/25/83
  6. Terminated05/17/88

The patent was granted on 01/25/1983 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. D. (pessoa física)

S. G. (pessoa física)

Inventors

O. D. (pessoa física)

S. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

11/30/1982

RPI 632

Deferimento

#9.1

07/13/1982

RPI 612

Exigência - art. 36 da LPI

#6.1

12/08/1981

RPI 581

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