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Official data from INPI

ARRANJO DE FIXAÇÃO DE DIAFRAGMA

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904266

Type

Invention Patent

Filing

08/24/1989

Publication

10/02/1990

Progress at the INPI

  1. Filing08/24/89
  2. Publication10/02/90
  3. Examination07/07/92
  4. Allowance11/23/93
  5. Grant08/30/94
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 12/22/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Standard Inc

US

See this company's full portfolio

Inventors

D. S. (pessoa física)

US

T. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

243.943 · 09/13/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/08/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

04/12/1994

RPI 1219

Deferimento

#9.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

07/07/1992

RPI 1127

Publicação do pedido de patente

#3.1

10/02/1990

RPI 1035

Pedido de patente depositado

#2.1

04/17/1990

RPI 1014

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