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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI7405123

Type

Invention Patent

Filing

06/24/1974

Publication

-

Progress at the INPI

  1. Filing06/24/74
  2. Publication
  3. Examination
  4. Allowance08/07/84
  5. Grant03/26/85
  6. Expired08/25/92

The letters patent expired on 08/25/1992: 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Itt Industries Inc.

US

See this company's full portfolio

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/07/1984

RPI 720

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Conhecimento de parecer técnico

#7.1

08/02/1983

RPI 667

Exigência - art. 36 da LPI

#6.1

07/27/1982

RPI 614

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C02C 1/10.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

08/25/1992

RPI 1134

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