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Official data from INPI

PROCESSO DE FABRICAÇÃO DE VENTANEIRA INCLINADA ESPIRALADA DE DUPLA CÂMADA

Em AnáliseInvention Patent

Application data

Number

PI8008561

Type

Invention Patent

Filing

12/30/1980

Publication

11/24/1981

Progress at the INPI

  1. Filing12/30/80
  2. Publication11/24/81
  3. Examination08/02/83
  4. Allowance12/11/84
  5. Grant06/25/85
  6. Terminated02/04/92

The patent was granted on 06/25/1985 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: 08/26/1986. 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

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

08/26/1986

RPI 827

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/09/1985

RPI 755

Deferimento

#9.1

12/11/1984

RPI 738

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

Publicação antecipada

#3.2

11/24/1981

RPI 579

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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