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Official data from INPI

VEDAÇÃO PARA UM ESPAÇO ANULAR

ConcedidaInvention Patent

Application data

Number

PI8304971

Type

Invention Patent

Filing

09/14/1983

Publication

09/04/1984

Progress at the INPI

  1. Filing09/14/83
  2. Publication09/04/84
  3. Examination08/05/86
  4. Allowance06/28/88
  5. Grant01/10/89
  6. Terminated08/29/95

The patent was granted on 01/10/1989 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ABB Vetco Gray Inc.

US

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Inventors

J. P. (pessoa física)

US

R. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

419.270 · 09/17/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/10/1989

RPI 951

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/28/1988

RPI 923

Exigência - art. 36 da LPI

#6.1

12/22/1987

RPI 896

14.1

03/10/1987

RPI 855

14.7

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

09/04/1984

RPI 724

Pedido de patente depositado

#2.1

11/08/1983

RPI 681

Anuidade - prazo legal encerrado

#18.2

08/29/1995

RPI 1291

20.4

08/24/1993

RPI 1186

20.4

03/20/1990

RPI 1010

20.7

03/20/1990

RPI 1010

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