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Official data from INPI

COMPRESSOR DE MÚLTIPLOS ESTÁGIOS

Em AnáliseInvention Patent

Application data

Number

PI9003818

Type

Invention Patent

Filing

08/03/1990

Publication

11/12/1991

Progress at the INPI

  1. Filing08/03/90
  2. Publication11/12/91
  3. Examination02/18/92
  4. Allowance01/18/94
  5. Grant08/30/94
  6. Terminated07/23/96

The patent was granted on 08/30/1994 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: 07/23/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Intevep S.A

VE

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Inventors

A. N. (pessoa física)

VE

O. R. (pessoa física)

VE

S. A. (pessoa física)

VE

Technical data

IPC Classification

Priority claims

US

487.308 · 03/02/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/23/1996

RPI 1338

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/17/1994

RPI 1224

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

02/18/1992

RPI 1107

Publicação do pedido de patente

#3.1

11/12/1991

RPI 1093

Pedido de patente depositado

#2.1

02/13/1991

RPI 1054

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