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Official data from INPI

ARTICULAÇÃO DE FLUIDO E PROCESSO PARA USO COM UMA ARTICULAÇÃO DE FLUIDO

PublicadaInvention Patent

Application data

Number

PI8807007

Type

Invention Patent

Filing

12/30/1988

Publication

09/05/1989

Progress at the INPI

  1. Filing12/30/88
  2. Publication09/05/89
  3. Examination10/22/91
  4. Allowance11/03/92
  5. Grant05/25/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Amtel, Incorporated

US

Inventors

M. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

139.911 · 12/31/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/05/1989

RPI 985

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Carta-patente expirada

#21.1

Patente extinta em 30/12/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

03/23/1993

RPI 1164

Deferimento

#9.1

11/03/1992

RPI 1144

Solicitação de exame técnico

#4.1

10/22/1991

RPI 1090

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