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Official data from INPI

CONJUNTO DE DIREÇÃO LIBERÁVEL

Em AnáliseInvention Patent

Application data

Number

PI8704505

Type

Invention Patent

Filing

09/01/1987

Publication

04/19/1988

Progress at the INPI

  1. Filing09/01/87
  2. Publication04/19/88
  3. Examination12/13/88
  4. Allowance02/25/92
  5. Grant10/27/92
  6. Terminated06/25/96

The patent was granted on 10/27/1992 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: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Torrington Company

US

See this company's full portfolio

Inventors

D. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

903.942 · 09/02/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/13/1988

RPI 947

Publicação do pedido de patente

#3.1

04/19/1988

RPI 913

Pedido de patente depositado

#2.1

12/01/1987

RPI 893

Anuidade - prazo legal encerrado

#18.2

06/25/1996

RPI 1334

Concessão da patente

#16.1

10/27/1992

RPI 1143

Notificação para pagamento de retribuição

#13.1

07/07/1992

RPI 1127

Deferimento

#9.1

02/25/1992

RPI 1108

Exigência - art. 36 da LPI

#6.1

07/30/1991

RPI 1078

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