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Official data from INPI

SONDA PARA PERFILAGEM EM POÇO COM JANELA COLIMADA E BLINDADA.

Em AnáliseInvention Patent

Application data

Number

PI8602342

Type

Invention Patent

Filing

05/22/1986

Publication

01/21/1987

Progress at the INPI

  1. Filing05/22/86
  2. Publication01/21/87
  3. Examination03/07/89
  4. Allowance03/02/93
  5. Grant07/27/93
  6. Terminated09/26/95

The patent was granted on 07/27/1993 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: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Prad Research and Development N.V.

NL

Prad Research And Development N.V.

NL

See this company's full portfolio

Inventors

J. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

737.756 · 05/28/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/07/1989

RPI 959

Publicação do pedido de patente

#3.1

01/21/1987

RPI 848

Pedido de patente depositado

#2.1

11/11/1986

RPI 838

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

06/15/1993

RPI 1176

Deferimento

#9.1

03/02/1993

RPI 1161

Exigência - art. 36 da LPI

#6.1

12/17/1991

RPI 1098

6.2

01/16/1990

RPI 1002

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