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Official data from INPI

CONJUNTO DE ROLAMENTO DE ESFERAS

ConcedidaInvention Patent

Application data

Number

PI8407121

Type

Invention Patent

Filing

08/13/1984

Publication

08/27/1985

Progress at the INPI

  1. Filing08/13/84
  2. Publication08/27/85
  3. Examination11/26/85
  4. Allowance08/02/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Lempco Industries, Inc.

US

Inventors

J. O. (pessoa física)

US

L. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

552,830 · 11/17/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

11/26/1985

RPI 788

Notificação de entrada na fase nacional - PCT

#1.3

08/27/1985

RPI 775

Carta-patente expirada

#21.1

Patente extinta em 13/08/99

07/08/2008

RPI 1957

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