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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8307528

Type

Invention Patent

Filing

04/22/1983

Publication

08/21/1984

Progress at the INPI

  1. Filing04/22/83
  2. Publication08/21/84
  3. Examination11/26/85
  4. Allowance06/23/87
  5. Grant12/29/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hep Products AB

SE

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

10/20/1987

RPI 887

Deferimento

#9.1

06/23/1987

RPI 870

Exigência - art. 36 da LPI

#6.1

10/07/1986

RPI 833

Solicitação de exame técnico

#4.1

11/26/1985

RPI 788

Notificação de entrada na fase nacional - PCT

#1.3

08/21/1984

RPI 722

Carta-patente expirada

#21.1

Patente extinta em 22/04/98

07/01/2008

RPI 1956

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