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Official data from INPI

MÁQUINA DE PARAFUSO

Em AnáliseInvention Patent

Application data

Number

PI8507248

Type

Invention Patent

Filing

07/22/1985

Publication

10/27/1987

Progress at the INPI

  1. Filing07/22/85
  2. Publication10/27/87
  3. Examination04/11/89
  4. Allowance04/10/90
  5. Grant09/25/90
  6. Terminated08/15/95

The patent was granted on 09/25/1990 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: 04/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vsesojuzny Nauchno-Issledovatelsky Institut Burovoi Tekhniki

SU

Inventors

D. B. (pessoa física)

SU

J. V. (pessoa física)

SU

M. G. (pessoa física)

SU

V. K. (pessoa física)

SU

V. S. (pessoa física)

SU

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/11/1989

RPI 964

Notificação de entrada na fase nacional - PCT

#1.3

10/27/1987

RPI 888

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

09/25/1990

RPI 1034

Deferimento

#9.1

04/10/1990

RPI 1013

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