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Official data from INPI

PROCESSO PARA ELIMINACAO DE SEDIMENTOS PEGAJOSOS E/OU POROSOS EM INSTALCOES PARA TRATAMENTO DE HEXAFLUORETO DE URANIO

Em AnáliseInvention Patent

Application data

Number

PI8000465

Type

Invention Patent

Filing

01/24/1979

Publication

-

Progress at the INPI

  1. Filing01/24/79
  2. Publication
  3. Examination03/30/82
  4. Allowance11/16/82
  5. Grant06/28/83
  6. Terminated02/11/92

The patent was granted on 06/28/1983 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: 04/10/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. K. (pessoa física)

MASCHF AUGSBURG NUERNBERG AG

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Inventors

B. W. (pessoa física)

J. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

03/22/1983

RPI 648

Republicação - classificação IPC

#15.11

01/11/1983

RPI 638

Deferimento

#9.1

11/16/1982

RPI 630

Solicitação de exame técnico

#4.1

03/30/1982

RPI 597

14.11

01/05/1982

RPI 585

14.4

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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