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Official data from INPI

DISPOSITIVO DE VEDAÇÃO EM MANGUEIRA

PublicadaInvention Patent

Application data

Number

PI8602654

Type

Invention Patent

Filing

05/30/1986

Publication

01/05/1988

Progress at the INPI

  1. Filing05/30/86
  2. Publication01/05/88
  3. Examination05/08/90
  4. Allowance01/22/91
  5. Grant07/30/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ARNO SA [BR]

See this company's full portfolio

Inventors

A. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/05/1988

RPI 898

Pedido de patente depositado

#2.1

12/09/1986

RPI 842

Carta-patente expirada

#21.1

Patente extinta em 30/05/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

07/30/1991

RPI 1078

Deferimento

#9.1

01/22/1991

RPI 1051

Solicitação de exame técnico

#4.1

05/08/1990

RPI 1017

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