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Official data from INPI

ACOPLAMENTO DE TUBOS COM UMA GUARNIÇÃO DE VEDAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101073

Type

Invention Patent

Filing

03/19/1991

Publication

11/05/1991

Progress at the INPI

  1. Filing03/19/91
  2. Publication11/05/91
  3. Examination06/16/92
  4. Allowance08/23/94
  5. Grant04/25/95
  6. Expired06/22/10

The letters patent expired on 06/22/2010: 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: 06/22/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Straub Federnfabrik AG

CH

Inventors

I. S. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

911/90 · 03/20/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/03/2006

06/22/2010

RPI 2059

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

12/20/1994

RPI 1255

Deferimento

#9.1

08/23/1994

RPI 1238

Solicitação de exame técnico

#4.1

06/16/1992

RPI 1124

Publicação do pedido de patente

#3.1

11/05/1991

RPI 1092

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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