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Official data from INPI

ESTRUTURA DE MANGUEIRA DE MÚLTIPLAS CAMADAS ADEQUADAS PARA TRANSPORTE DE GASES E FLUIDOS CONTENDO GÁS

Em AnáliseInvention Patent
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Application data

Number

PI8205143

Type

Invention Patent

Filing

09/02/1982

Publication

08/09/1983
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Progress at the INPI

  1. Filing09/02/82
  2. Publication08/09/83
  3. Examination08/28/84
  4. Refused05/01/90
  5. Grant
  6. In force

The application was refused on 05/01/1990 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. V. (pessoa física)

HU

Inventors

B. M. (pessoa física)

HU

F. K. (pessoa física)

HU

P. G. (pessoa física)

HU

S. A. (pessoa física)

HU

Z. B. (pessoa física)

HU

Technical data

IPC Classification

F16L 11/00

Priority claims

HU

2551/81 · 09/03/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

120

11/29/1988

RPI 945

Petição de recurso

#12.2

06/16/1987

RPI 869

Retificação

#15.6

03/31/1987

RPI 858

Retificação

#15.3

01/13/1987

RPI 847

Indeferimento

#9.2

09/16/1986

RPI 830

Conhecimento de parecer técnico

#7.1

06/11/1985

RPI 764

Pedido de certificado de adição de invenção

#5.1

01/08/1985

RPI 742

Solicitação de exame técnico

#4.1

08/28/1984

RPI 723

Publicação do pedido de patente

#3.1

08/09/1983

RPI 668

Pedido de patente depositado

#2.1

10/19/1982

RPI 626

111

05/01/1990

RPI 1016

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