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Official data from INPI

VALVULA DE RETENCAO PARA ESGOTO

IndeferidaInvention Patent

Application data

Number

PI8500284

Type

Invention Patent

Filing

01/23/1985

Publication

04/30/1985

Progress at the INPI

Under appeal
  1. Filing01/23/85
  2. Publication04/30/85
  3. Examination10/15/85
  4. Refused08/01/89
  5. Grant
  6. In force

The application was refused by the INPI on 08/01/1989. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. S. (pessoa física)

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/01/1989

RPI 980

Conhecimento de parecer técnico

#7.1

11/22/1988

RPI 944

Solicitação de exame técnico

#4.1

10/15/1985

RPI 782

Publicação antecipada

#3.2

04/30/1985

RPI 758

Pedido de patente depositado

#2.1

04/23/1985

RPI 757

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