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Official data from INPI

RECIPIENTE PARA DEPÓSITO DE MATERIAL RADIOATIVO

Em AnáliseInvention Patent

Application data

Number

PI8306990

Type

Invention Patent

Filing

12/20/1983

Publication

07/31/1984

Progress at the INPI

  1. Filing12/20/83
  2. Publication07/31/84
  3. Examination12/04/84
  4. Allowance04/16/91
  5. Grant10/29/91
  6. Terminated05/30/95

The patent was granted on 10/29/1991 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: 12/04/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. M. (pessoa física)

DE

Nukem GmbH

DE

See this company's full portfolio

Inventors

B. R. (pessoa física)

DE

R. G. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

G 82 36 359.5 · 12/24/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/04/1984

RPI 737

Publicação do pedido de patente

#3.1

07/31/1984

RPI 719

Pedido de patente depositado

#2.1

02/28/1984

RPI 697

Anuidade - prazo legal encerrado

#18.2

05/30/1995

RPI 1278

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

07/30/1991

RPI 1078

Deferimento

#9.1

04/16/1991

RPI 1063

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