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Official data from INPI

PROCESSO PARA FORMAR UMA REGIÃO IRRADIADA DE UMA ESPESSURA, DOSAGEM E GRADIENTE DE DOSAGEM DESEJADAS EM UM MATERIAL.

Em AnáliseInvention Patent

Application data

Number

PI7908587

Type

Invention Patent

Filing

12/28/1979

Publication

-

Progress at the INPI

  1. Filing12/28/79
  2. Publication
  3. Examination09/14/82
  4. Allowance08/09/83
  5. Grant02/28/84
  6. Terminated11/29/88

The patent was granted on 02/28/1984 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

B. J. (pessoa física)

S. E. (pessoa física)

Technical data

IPC Classification

Priority claims

US

000.936 · 01/04/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/29/1988

RPI 945

16.3

05/15/1984

RPI 708

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/29/1983

RPI 684

Deferimento

#9.1

08/09/1983

RPI 668

Exigência - art. 36 da LPI

#6.1

03/08/1983

RPI 646

Solicitação de exame técnico

#4.1

09/14/1982

RPI 621

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