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Official data from INPI

PRENSA COM PASSAGEM ALONGADA.

ConcedidaInvention Patent

Application data

Number

PI8106527

Type

Invention Patent

Filing

01/23/1981

Publication

12/01/1981

Progress at the INPI

  1. Filing01/23/81
  2. Publication12/01/81
  3. Examination09/13/83
  4. Allowance12/04/84
  5. Grant06/25/85
  6. In force01/23/01

The patent was granted on 06/25/1985 and is in force until 01/23/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:01/23/2001

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Latest action published by the INPI: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

C. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

115.010 · 01/24/1980

US

PCT/81/00088 · 01/23/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/09/1985

RPI 755

Deferimento

#9.1

12/04/1984

RPI 737

Exigência - art. 36 da LPI

#6.1

04/17/1984

RPI 704

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Notificação de entrada na fase nacional - PCT

#1.3

12/01/1981

RPI 580

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