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Official data from INPI

VEDADOR DE EXTREMIDADE EM UM COMPRESSOR EM VOLUTA

Em AnáliseInvention Patent

Application data

Number

PI9006669

Type

Invention Patent

Filing

12/28/1990

Publication

10/01/1991

Progress at the INPI

  1. Filing12/28/90
  2. Publication10/01/91
  3. Examination11/26/91
  4. Allowance06/14/94
  5. Grant12/27/94
  6. Terminated07/23/96

The patent was granted on 12/27/1994 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

C. C. (pessoa física)

US

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Inventors

H. J. (pessoa física)

US

W. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

461,759 · 01/08/1990

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

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

10/18/1994

RPI 1246

Deferimento

#9.1

06/14/1994

RPI 1228

Solicitação de exame técnico

#4.1

11/26/1991

RPI 1095

Publicação do pedido de patente

#3.1

10/01/1991

RPI 1087

Pedido de patente depositado

#2.1

06/25/1991

RPI 1073

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