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Official data from INPI

DISPOSITIVO DE VEDAÇÃO DE HASTE DE VÁLVULA

ArquivadaInvention Patent

Application data

Number

PI9104954

Type

Invention Patent

Filing

11/14/1991

Publication

06/23/1992

Progress at the INPI

  1. Filing11/14/91
  2. Publication06/23/92
  3. Abandoned03/16/93
  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.

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Latest action published by the INPI: 12/26/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M & FC Holding Company, Inc.

US

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Inventors

J. I. (pessoa física)

US

S. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

614.142 · 11/15/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/26/1995

RPI 1308

Exigência - art. 36 da LPI

#6.1

03/28/1995

RPI 1269

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Publicação do pedido de patente

#3.1

06/23/1992

RPI 1125

Pedido de patente depositado

#2.1

12/24/1991

RPI 1099

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