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Official data from INPI

VALVULA DE AMORTECIMENTO DE POÇOS

Em AnáliseInvention Patent

Application data

Number

PI8704576

Type

Invention Patent

Filing

08/14/1987

Publication

02/28/1989

Progress at the INPI

  1. Filing08/14/87
  2. Publication02/28/89
  3. Abandoned10/31/89
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. M. (pessoa física)

BA, BR

Inventors

L. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

02/28/1989

RPI 958

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

15.7

02/09/1993

RPI 1158

Arquivamento - Art. 36 §1° da LPI

#11.2

12/17/1991

RPI 1098

Exigência - art. 36 da LPI

#6.1

04/30/1991

RPI 1065

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