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Official data from INPI

MANGUEIRA FLEXÍVEL

ConcedidaInvention Patent
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Application data

Number

PI8406294

Type

Invention Patent

Filing

12/07/1984

Publication

06/24/1986
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Progress at the INPI

  1. Filing12/07/84
  2. Publication06/24/86
  3. Examination09/02/86
  4. Allowance06/09/87
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. K. (pessoa física)

JP

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Inventors

S. K. (pessoa física)

JP

Technical data

IPC Classification

F16L 11/11

Priority claims

JP

161671/84 · 07/31/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

110

01/10/1989

RPI 951

Recurso

#12.1

09/29/1987

RPI 884

Deferimento

#9.1

06/09/1987

RPI 868

Solicitação de exame técnico

#4.1

09/02/1986

RPI 828

Publicação do pedido de patente

#3.1

06/24/1986

RPI 818

Pedido de patente depositado

#2.1

02/26/1985

RPI 749

Carta-patente expirada

#21.1

Patente extinta em 07/12/99

07/08/2008

RPI 1957

201

05/07/1991

RPI 1066

Pedido de licença voluntária

#17.1

11/06/1990

RPI 1040

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