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Official data from INPI

VEDADORES DE PRESSÃO BALANCEADA PARA ACUMULADORES VENTILADOS

Em AnáliseInvention PatentPCT · US1987000276

Application data

Number

PI8707686

Type

Invention Patent

Filing

02/06/1987

Publication

08/15/1989

PCT

US1987000276

Progress at the INPI

  1. Filing02/06/87
  2. Publication08/15/89
  3. Examination02/13/90
  4. Allowance08/20/91
  5. Grant06/30/92
  6. Terminated12/31/96

The patent was granted on 06/30/1992 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

K. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

857.901 · 04/29/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

08/15/1989

RPI 982

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era F15B 1/053.

03/20/2018

RPI 2463

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

06/30/1992

RPI 1126

Notificação para pagamento de retribuição

#13.1

12/17/1991

RPI 1098

Deferimento

#9.1

08/20/1991

RPI 1081

Solicitação de exame técnico

#4.1

02/13/1990

RPI 1006

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