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Official data from INPI

PROCESSOS PARA RECUPERAR E RECONCENTRAR OURO DE SEUS MINÉRIOS

Arquivada/ExtintaInvention PatentPCT · US1990006893

Application data

Number

PI9007089

Type

Invention Patent

Filing

11/26/1990

Publication

11/26/1991

PCT

US1990006893

Progress at the INPI

  1. Filing11/26/90
  2. Publication11/26/91
  3. Abandoned03/16/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/18/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Geobiotics, Inc.

US

Inventors

D. K. (pessoa física)

US

F. T. (pessoa física)

US

W. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

441.836 · 11/27/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento por falta de pagamento

#8.6

Referente a 7ª, 8ª e 9ª anuidade

04/18/2000

RPI 1528

8.1

Referente a 7ª e 8ª anuidade

12/22/1998

RPI 1459

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Notificação de entrada na fase nacional - PCT

#1.3

11/26/1991

RPI 1095

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