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Official data from INPI

ROLAMENTO DE ROLOS E PROCESSO PARA FABRICAR O MESMO

ConcedidaInvention Patent

Application data

Number

PI8300374

Type

Invention Patent

Filing

03/01/1982

Publication

10/25/1983

Progress at the INPI

  1. Filing03/01/82
  2. Publication10/25/83
  3. Examination01/17/84
  4. Allowance10/06/87
  5. Grant05/31/88
  6. Terminated02/18/92

The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TORRINGTON CO [US]

Inventors

A. D. (pessoa física)

A. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/06/1987

RPI 885

11.8

08/04/1987

RPI 876

Retificação

#15.3

12/02/1986

RPI 841

8.1

12/31/1985

RPI 793

Exigência - art. 36 da LPI

#6.1

03/26/1985

RPI 753

Solicitação de exame técnico

#4.1

01/17/1984

RPI 691

Publicação do pedido de patente

#3.1

10/25/1983

RPI 679

Pedido de patente depositado

#2.1

03/15/1983

RPI 647

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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