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Official data from INPI

PROCESSO PARA CONSERTER UM COMPOSTO DE TALIO(I)EM UM COMPOSTO DE TALIO(III)

Em AnáliseInvention Patent

Application data

Number

PI7703416

Type

Invention Patent

Filing

05/28/1976

Publication

-

Progress at the INPI

  1. Filing05/28/76
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant11/30/82
  6. Terminated12/15/87

The patent was granted on 11/30/1982 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

HALCON INTERNATIONAL INC

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Inventors

B. W. (pessoa física)

J. R. (pessoa física)

N. A. (pessoa física)

R. N. (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

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

Deferimento

#9.1

06/01/1982

RPI 606

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