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Official data from INPI

ROLAMENTO DE ESFERAS COM PRÉ-TENSÃO, PROCESSO E FERRAMENTA PARA A SUA FABRICAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8700637

Type

Invention Patent

Filing

02/06/1987

Publication

12/08/1987

Progress at the INPI

  1. Filing02/06/87
  2. Publication12/08/87
  3. Examination08/21/90
  4. Allowance04/09/91
  5. Grant10/29/91
  6. Terminated10/17/95

The patent was granted on 10/29/1991 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: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nadella

FR

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Inventors

G. S. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86.01.718 · 02/07/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.7

11/22/1988

RPI 944

Publicação do pedido de patente

#3.1

12/08/1987

RPI 894

Pedido de patente depositado

#2.1

06/09/1987

RPI 868

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

07/23/1991

RPI 1077

Deferimento

#9.1

04/09/1991

RPI 1062

Solicitação de exame técnico

#4.1

08/21/1990

RPI 1029

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