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Official data from INPI

PROCESSO DE LIMPEZA DE UM LEITO DE FILTRO E SISTEMA DE LIMPEZA DE FILTRO

PublicadaInvention Patent

Application data

Number

PI8705034

Type

Invention Patent

Filing

09/29/1987

Publication

05/24/1988

Progress at the INPI

  1. Filing09/29/87
  2. Publication05/24/88
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/29/1987 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

Inventors

A. A. (pessoa física)

S. J. (pessoa física)

W. A. (pessoa física)

Technical data

Priority claims

US

913.338 · 09/30/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/24/1988

RPI 918

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01D 29/38; B01D 36/00; B01D 41/02; B01D 41/00.

03/27/2018

RPI 2464

Arquivamento - Art. 33 da LPI

#11.1

06/11/1991

RPI 1071

14.1

08/14/1990

RPI 1028

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