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Official data from INPI

APERFEICOAMENTO EM PROCESSO PARA RECUPERACAO DE TEORES DE METAL DE UMA FONTE CONTENDO METAL

Em AnáliseInvention Patent

Application data

Number

PI7702482

Type

Invention Patent

Filing

04/21/1976

Publication

-

Progress at the INPI

  1. Filing04/21/76
  2. Publication
  3. Examination
  4. Allowance03/16/82
  5. Grant06/02/87
  6. In force04/21/96

The patent was granted on 06/02/1987 and is in force until 04/21/1996. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:04/21/1996

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Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UOP INC

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Inventors

S. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

212

05/31/1988

RPI 919

Anuidade - prazo legal encerrado

#18.2

10/27/1987

RPI 888

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

110

07/01/1986

RPI 819

Recurso

#12.1

08/03/1982

RPI 615

Deferimento

#9.1

03/16/1982

RPI 595

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