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Official data from INPI

DISPOSITIVO SANGRADOR DE AR ASSOCIADO A HIDRÔMETRO

Arquivada/ExtintaInvention Patent
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Application data

Number

PI9103902

Type

Invention Patent

Filing

09/06/1991

Publication

07/07/1992
View on INPI

Progress at the INPI

  1. Filing09/06/91
  2. Publication07/07/92
  3. Examination06/08/93
  4. Allowance12/19/95
  5. Grant09/24/96
  6. Expired06/29/10

The letters patent expired on 06/29/2010: 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: 06/29/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. S. (pessoa física)

SP, BR

E. C. (pessoa física)

SP, BR

Inventors

C. S. (pessoa física)

BR

E. C. (pessoa física)

BR

Technical data

IPC Classification

F16T 1/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 06/09/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

09/24/1996

RPI 1347

Deferimento

#9.1

12/19/1995

RPI 1307

Solicitação de exame técnico

#4.1

06/08/1993

RPI 1175

Publicação antecipada

#3.2

07/07/1992

RPI 1127

Pedido de patente depositado

#2.1

03/31/1992

RPI 1113

Pedido de patente depositado

#2.1

10/22/1991

RPI 1090

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