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Official data from INPI

CONJUNTO DE VEDAÇÃO ANULAR PARA ESTABELECER UMA VEDAÇÃO METAL-A-METAL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9105434

Type

Invention Patent

Filing

12/13/1991

Publication

08/25/1992

Progress at the INPI

  1. Filing12/13/91
  2. Publication08/25/92
  3. Examination10/18/94
  4. Allowance07/20/99
  5. Grant02/22/00
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

US

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Inventors

S. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

633.631 · 12/21/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/12/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

02/22/2000

RPI 1520

Deferimento

#9.1

07/20/1999

RPI 1489

Pedido suspenso — exigência de documentos

#6.6

09/23/1997

RPI 1399

Solicitação de exame técnico

#4.1

10/18/1994

RPI 1246

Publicação do pedido de patente

#3.1

08/25/1992

RPI 1134

Pedido de patente depositado

#2.1

02/04/1992

RPI 1105

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