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Official data from INPI

PROCESSO PARA A CONCENTRAÇÃO DE UM LÍQUIDO CONTENDO ÁCIDO SULFÚRICO E ÁGUA E DISPOSITIVO

ArquivadaInvention Patent

Application data

Number

PI9005114

Type

Invention Patent

Filing

10/12/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing10/12/90
  2. Publication09/17/91
  3. Examination12/14/93
  4. Allowance01/07/97
  5. Abandoned
  6. In force

The application was allowed on 01/07/1997 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 01/27/1998. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. A. (pessoa física)

DE

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Inventors

H. D. (pessoa física)

K. H. (pessoa física)

R. S. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 39 35 892.5 · 10/27/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

01/27/1998

RPI 1414

Notificação para pagamento de retribuição

#13.1

05/06/1997

RPI 1379

Deferimento

#9.1

01/07/1997

RPI 1362

Exigência - art. 36 da LPI

#6.1

04/09/1996

RPI 1323

Solicitação de exame técnico

#4.1

12/14/1993

RPI 1202

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/09/1991

RPI 1062

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