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Official data from INPI

DISPOSITIVO DE VEDAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI9001922

Type

Invention Patent

Filing

04/25/1990

Publication

07/30/1991

Progress at the INPI

  1. Filing04/25/90
  2. Publication07/30/91
  3. Examination04/14/92
  4. Allowance07/19/94
  5. Grant03/28/95
  6. Terminated12/31/96

The patent was granted on 03/28/1995 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: 12/31/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ABB Vetco Gray Inc.

US

Vetco Gray Inc.

US

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Inventors

C. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

343.959 · 04/26/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/15/1994

RPI 1250

Deferimento

#9.1

07/19/1994

RPI 1233

14.4

08/17/1993

RPI 1185

Solicitação de exame técnico

#4.1

04/14/1992

RPI 1115

Publicação do pedido de patente

#3.1

07/30/1991

RPI 1078

Pedido de patente depositado

#2.1

08/21/1990

RPI 1029

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