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Official data from INPI

RESERVATORIOS FIBROSOS, METODO E EQUIPAMENTO PARA PRODUZIR OS MESMOS, E INSTRUMENTO DE ESCREVER

Em AnáliseInvention Patent

Application data

Number

PI8001401

Type

Invention Patent

Filing

11/30/1979

Publication

-

Progress at the INPI

  1. Filing11/30/79
  2. Publication
  3. Examination
  4. Allowance03/13/84
  5. Grant09/25/84
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cigarette Components Limited.

See this company's full portfolio

Inventors

B. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

08/26/1986

RPI 827

Concessão da patente

#16.1

09/25/1984

RPI 727

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

09/06/1983

RPI 672

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

Cessão de direito de exploração

#22.1

11/12/1991

RPI 1093

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