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Official data from INPI

PROCESSO PARA SINTESE DE UREIA

ConcedidaInvention Patent
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Application data

Number

PI8006441

Type

Invention Patent

Filing

10/08/1979

Publication

-
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Progress at the INPI

  1. Filing10/08/79
  2. Publication
  3. Examination
  4. Allowance03/13/84
  5. Grant09/25/84
  6. Terminated08/02/94

The patent was granted on 09/25/1984 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

TOYO ENGINEERING CORP

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Inventors

H. O. (pessoa física)

S. I. (pessoa física)

Technical data

IPC Classification

C07C 126/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

07/03/1984

RPI 715

14.1

05/29/1984

RPI 710

Deferimento

#9.1

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

09/13/1983

RPI 673

6.2

11/30/1982

RPI 632

Anuidade - prazo legal encerrado

#18.2

08/02/1994

RPI 1235

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