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Official data from INPI

"AMORTECEDOR HIDRÁULICO E PROCESSO PARA REGULAR O FLUXO DE FLUIDO AMORTECEDOR ENTRE PRIMEIRA E SEGUNDA PARTES DE CÂMARA DE TRABALHO DE UM AMORTECEDOR HIDRÁULICO"

Em AnáliseInvention PatentPCT · US1987000618

Application data

Number

PI8707700

Type

Invention Patent

Filing

03/18/1987

Publication

10/03/1989

PCT

US1987000618

Progress at the INPI

  1. Filing03/18/87
  2. Publication10/03/89
  3. Examination01/23/90
  4. Allowance04/20/93
  5. Grant09/28/93
  6. Terminated12/31/96

The patent was granted on 09/28/1993 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Monroe Auto Equipment Company

US

Inventors

M. L. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/03/1989

RPI 989

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

08/17/1993

RPI 1185

Deferimento

#9.1

04/20/1993

RPI 1168

Exigência - art. 36 da LPI

#6.1

09/22/1992

RPI 1138

Solicitação de exame técnico

#4.1

01/23/1990

RPI 1003

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