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Official data from INPI

PROCESSO PARA CONCENTRAR SOLUCOES AQUOSAS DE UREIA

Em AnáliseInvention Patent

Application data

Number

PI8005864

Type

Invention Patent

Filing

09/14/1979

Publication

-

Progress at the INPI

  1. Filing09/14/79
  2. Publication
  3. Examination
  4. Allowance04/17/84
  5. Grant10/30/84
  6. Terminated06/21/88

The patent was granted on 10/30/1984 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: 06/21/1988. 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

K. I. (pessoa física)

T. N. (pessoa física)

T. S. (pessoa física)

T. S. (pessoa física)

Y. (pessoa física)

Y. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/07/1984

RPI 720

14.1

05/29/1984

RPI 710

Deferimento

#9.1

04/17/1984

RPI 704

Republicação - classificação IPC

#15.11

02/21/1984

RPI 696

Exigência - art. 36 da LPI

#6.1

09/13/1983

RPI 673

6.2

11/30/1982

RPI 632

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