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Official data from INPI

ASSENTO DE VALVULA GERALMENTE CILINDRICO E PROCESSO DE PRODUCAO DE UMA RANHURA EM UMA PECA DO ASSENTO DE VALVULA

ArquivadaInvention Patent

Application data

Number

PI8306455

Type

Invention Patent

Filing

11/26/1982

Publication

06/26/1984

Progress at the INPI

  1. Filing11/26/82
  2. Publication06/26/84
  3. Abandoned08/12/86
  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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VETCO OFFSHORE IND INC [US]

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Inventors

B. L. (pessoa física)

G. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/30/1988

RPI 932

Republicação - classificação IPC

#15.11

02/09/1988

RPI 903

Exigência - art. 36 da LPI

#6.1

01/19/1988

RPI 900

14.1

03/24/1987

RPI 857

14.7

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

06/26/1984

RPI 714

Pedido de patente depositado

#2.1

01/31/1984

RPI 693

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