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Official data from INPI

PROCESSO PARA TRATAR REFUGOS LIQUIDOS PERIGOSOS

Concessão AnuladaInvention Patent
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Application data

Number

PI7806878

Type

Invention Patent

Filing

10/19/1977

Publication

-
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Progress at the INPI

  1. Filing10/19/77
  2. Publication
  3. Examination
  4. Allowance11/01/83
  5. Grant04/24/84
  6. Expired05/24/94

The letters patent expired on 05/24/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 07/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STABLEX AG

Inventors

C. C. (pessoa física)

Technical data

IPC Classification

C08J 11/00C08K 3/34

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

07/24/1984

RPI 718

Concessão da patente

#16.1

04/24/1984

RPI 705

Republicação - classificação IPC

#15.11

04/17/1984

RPI 704

Notificação para pagamento de retribuição

#13.1

02/14/1984

RPI 695

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Deferimento

#9.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

02/01/1983

RPI 641

6.2

10/27/1981

RPI 575

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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