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Official data from INPI

CIRCUITO CONTÍNUO DE INERTÂNCIA, APARELHO DE OSCILADOR FLUÍDICO, OSCILADOR FLUÍDICO E SISTEMA DE DEGELO/DESENEVOAMENTO.

Em AnáliseInvention Patent

Application data

Number

PI8602889

Type

Invention Patent

Filing

06/23/1986

Publication

02/17/1987

Progress at the INPI

  1. Filing06/23/86
  2. Publication02/17/87
  3. Examination05/02/89
  4. Allowance05/15/90
  5. Grant11/27/90
  6. Terminated10/03/95

The patent was granted on 11/27/1990 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: 05/02/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

R. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

748.065 · 06/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/02/1989

RPI 967

Publicação do pedido de patente

#3.1

02/17/1987

RPI 852

Pedido de patente depositado

#2.1

12/23/1986

RPI 844

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

05/15/1990

RPI 1018

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