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Official data from INPI

APERFEICOAMENTOS EM PRESNAS PORTATEIS DE VULCANIZACAO PARA EMENDAS EM CORREIAS TRANSPORTADORAS

Em AnáliseInvention Patent

Application data

Number

PI8001213

Type

Invention Patent

Filing

02/27/1980

Publication

-

Progress at the INPI

  1. Filing02/27/80
  2. Publication
  3. Examination
  4. Allowance12/13/83
  5. Grant08/28/84
  6. Invalidated01/28/86

The patent was invalidated by the INPI in an administrative invalidity proceeding. Protection no longer exists.

Talk to a specialist

Latest action published by the INPI: 01/28/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NALDEX EQUIPAMENTOS IND LTD

Inventors

D. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

200

01/28/1986

RPI 797

Pedido de licença voluntária

#17.1

08/13/1985

RPI 773

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

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