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Official data from INPI

METODO DE PRODUCAO DE UREIA EM REATOR DE ALTO RENDIMENTO

Em AnáliseInvention Patent

Application data

Number

PI7707253

Type

Invention Patent

Filing

10/28/1976

Publication

-

Progress at the INPI

  1. Filing10/28/76
  2. Publication
  3. Examination
  4. Allowance04/19/83
  5. Grant01/31/84
  6. Terminated12/15/87

The patent was granted on 01/31/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. P. (pessoa física)

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Inventors

Z. U. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

09/06/1983

RPI 672

Deferimento

#9.1

04/19/1983

RPI 652

Exigência - art. 36 da LPI

#6.1

10/19/1982

RPI 626

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

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