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Official data from INPI

CONJUNTO DE TAMPA E RECIPIENTE

ConcedidaInvention Patent

Application data

Number

PI7905728

Type

Invention Patent

Filing

09/08/1978

Publication

-

Progress at the INPI

  1. Filing09/08/78
  2. Publication
  3. Examination
  4. Allowance05/10/83
  5. Grant12/27/83
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 12/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RAVN J [US]

Inventors

R. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/10/1983

RPI 655

Exigência - art. 36 da LPI

#6.1

12/14/1982

RPI 634

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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