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Official data from INPI

DISPOSITIVO À PRESSÃO DE FLUÍDO

PublicadaInvention Patent

Application data

Number

PI8800129

Type

Invention Patent

Filing

01/14/1988

Publication

08/23/1988

Progress at the INPI

  1. Filing01/14/88
  2. Publication08/23/88
  3. Examination01/02/91
  4. Allowance03/10/92
  5. Grant11/24/92
  6. Terminated12/31/96

The patent was granted on 11/24/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Briogestone/Firestone, Inc.

US

The Firestone Tire & Rubber Company

US

Inventors

R. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

003.513 · 01/15/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/23/1988

RPI 931

Pedido de patente depositado

#2.1

08/16/1988

RPI 930

Pedido de patente depositado

#2.1

04/26/1988

RPI 914

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

20.4

11/22/1994

RPI 1251

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/28/1992

RPI 1130

Deferimento

#9.1

03/10/1992

RPI 1110

Solicitação de exame técnico

#4.1

01/02/1991

RPI 1048

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