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Official data from INPI

APERFEIÇOAMENTO EM POLIA VARIADORA.

ConcedidaInvention Patent

Application data

Number

PI8002590

Type

Invention Patent

Filing

04/28/1980

Publication

12/15/1981

Progress at the INPI

  1. Filing04/28/80
  2. Publication12/15/81
  3. Examination09/14/82
  4. Allowance12/13/83
  5. Grant06/26/84
  6. Terminated09/25/90

The patent was granted on 06/26/1984 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: 06/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chelmaq S/A Máquinas Especiais

SP, BR

Inventors

V. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

Solicitação de exame técnico

#4.1

09/14/1982

RPI 621

Publicação do pedido de patente

#3.1

12/15/1981

RPI 582

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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