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Official data from INPI

PROCESSO DE FABRICAÇÃO DE VENTANEIRA ESPIRALADA DE UMA CÂMARA

ConcedidaInvention Patent

Application data

Number

PI8100785

Type

Invention Patent

Filing

02/09/1981

Publication

11/03/1981

Progress at the INPI

  1. Filing02/09/81
  2. Publication11/03/81
  3. Examination08/09/83
  4. Allowance04/16/85
  5. Grant11/26/85
  6. Terminated02/04/92

The patent was granted on 11/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS

MG, BR

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Inventors

D. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

08/06/1985

RPI 772

Deferimento

#9.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

11/06/1984

RPI 733

Solicitação de exame técnico

#4.1

08/09/1983

RPI 668

Publicação antecipada

#3.2

11/03/1981

RPI 576

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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