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Official data from INPI

PROCESSO PARA REMOCAO DE CARBAMATO DE AMONIO DE UMA SOLUCAO DE SINTESE DE UREIA,E APARELHO PARA O MESMO

Em AnáliseInvention Patent

Application data

Number

PI7807844

Type

Invention Patent

Filing

11/30/1977

Publication

-

Progress at the INPI

  1. Filing11/30/77
  2. Publication
  3. Examination
  4. Allowance06/14/83
  5. Grant12/27/83
  6. Terminated09/13/88

The patent was granted on 12/27/1983 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: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIE VAN KUNSTMESTFAB BV

Inventors

K. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/13/1988

RPI 934

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

10/04/1983

RPI 676

Deferimento

#9.1

06/14/1983

RPI 660

Exigência - art. 36 da LPI

#6.1

12/14/1982

RPI 634

6.2

04/06/1982

RPI 598

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