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Official data from INPI

MECANISMO DE PARAFUSO DE ESFERAS

Em AnáliseInvention Patent

Application data

Number

PI8705436

Type

Invention Patent

Filing

10/09/1987

Publication

06/14/1988

Progress at the INPI

  1. Filing10/09/87
  2. Publication06/14/88
  3. Examination09/27/88
  4. Allowance08/20/91
  5. Grant09/29/92
  6. In force10/09/07

The patent was granted on 09/29/1992 and is in force until 10/09/2007. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:10/09/2007

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Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. S. (pessoa física)

US

Inventors

P. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

930.257 · 11/13/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/27/1988

RPI 936

Publicação do pedido de patente

#3.1

06/14/1988

RPI 921

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

18.7

03/19/1996

RPI 1320

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

09/29/1992

RPI 1139

Republicação - classificação IPC

#15.11

11/26/1991

RPI 1095

Deferimento

#9.1

08/20/1991

RPI 1081

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