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Official data from INPI

DORMENTE FORMADO DE ACO, COM PAREDES LATERAIS E UMA PAREDE SUPERIOR

ConcedidaInvention Patent

Application data

Number

PI8007393

Type

Invention Patent

Filing

11/27/1979

Publication

-

Progress at the INPI

  1. Filing11/27/79
  2. Publication
  3. Examination10/13/81
  4. Allowance03/13/84
  5. Grant10/30/84
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 10/30/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Omark Industries,Inc

US

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Inventors

L. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/30/1984

RPI 732

14.7

07/10/1984

RPI 716

Notificação para pagamento de retribuição

#13.1

07/03/1984

RPI 715

Deferimento

#9.1

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

Conhecimento de parecer técnico

#7.1

05/03/1983

RPI 654

Solicitação de exame técnico

#4.1

10/13/1981

RPI 573

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

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