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Official data from INPI

FECHOS CORREDIÇOS COM ORIFÍCIOS DE VENTILAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8006730

Type

Invention Patent

Filing

10/20/1980

Publication

-

Progress at the INPI

  1. Filing10/20/80
  2. Publication
  3. Examination
  4. Allowance01/02/85
  5. Grant07/30/85
  6. Expired11/14/95

The letters patent expired on 11/14/1995: 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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. K. (pessoa física)

JP

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Inventors

Y. M. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

54 163930 · 11/27/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Deferimento

#9.1

01/02/1985

RPI 741

Conhecimento de parecer técnico

#7.1

11/16/1983

RPI 682

Conhecimento de parecer técnico

#7.1

09/27/1983

RPI 675

Republicação - classificação IPC

#15.11

05/10/1983

RPI 655

Exigência - art. 36 da LPI

#6.1

03/29/1983

RPI 649

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

20.4

08/29/1995

RPI 1291

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