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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8101453

Type

Invention Patent

Filing

03/12/1981

Publication

-

Progress at the INPI

  1. Filing03/12/81
  2. Publication
  3. Examination08/02/83
  4. Allowance03/17/87
  5. Grant10/27/87
  6. Expired09/24/96

The letters patent expired on 09/24/1996: 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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Modine Manufacturing Company

US

See this company's full portfolio

Inventors

S. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

07/14/1987

RPI 873

Deferimento

#9.1

03/17/1987

RPI 856

Exigência - art. 36 da LPI

#6.1

08/12/1986

RPI 825

Conhecimento de parecer técnico

#7.1

10/01/1985

RPI 780

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

Carta-patente expirada

#21.1

09/24/1996

RPI 1347

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