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Official data from INPI

APARELHO DE FILTRAÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8501569

Type

Invention Patent

Filing

04/03/1985

Publication

12/03/1985

Progress at the INPI

  1. Filing04/03/85
  2. Publication12/03/85
  3. Examination11/03/87
  4. Allowance01/15/91
  5. Abandoned
  6. In force

The application was allowed on 01/15/1991 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: 11/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. I. (pessoa física)

US

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Inventors

C. W. (pessoa física)

D. S. (pessoa física)

V. K. (pessoa física)

Technical data

IPC Classification

Priority claims

US

597,780 · 04/06/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

Publicação do pedido de patente

#3.1

12/03/1985

RPI 789

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Arquivamento - Art. 38 §2° da LPI

#11.4

09/10/1991

RPI 1084

Notificação para pagamento de retribuição

#13.1

04/30/1991

RPI 1065

Deferimento

#9.1

01/15/1991

RPI 1050

Exigência - art. 36 da LPI

#6.1

07/24/1990

RPI 1025

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