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Official data from INPI

DISPOSITIVO CUBO E BUCHA DE PRESSÃO AXIAL

ConcedidaInvention Patent

Application data

Number

PI8000231

Type

Invention Patent

Filing

01/15/1980

Publication

-

Progress at the INPI

  1. Filing01/15/80
  2. Publication
  3. Examination07/13/82
  4. Allowance02/14/84
  5. Grant09/25/84
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Placas do Parana S/A

PR, BR

Inventors

B. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

09/20/1983

RPI 674

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

14.7

04/27/1982

RPI 601

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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