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Official data from INPI

APERFEICOAMENTOS EM PROCESSO DE OPERAR UM FILTRO

ArquivadaInvention Patent

Application data

Number

PI8502235

Type

Invention Patent

Filing

05/11/1984

Publication

01/14/1986

Progress at the INPI

  1. Filing05/11/84
  2. Publication01/14/86
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 05/11/1984 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: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

THAMES WATER AUTHORITY [GB]

Inventors

W. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

04/12/1988

RPI 912

Publicação do pedido de patente

#3.1

01/14/1986

RPI 795

Pedido de patente depositado

#2.1

07/23/1985

RPI 770

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