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Official data from INPI

PROCESSO PARA PRE-TRATAR RESIDUOS PERIGOSOS EM RECIPIENTES

Em AnáliseInvention Patent
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Application data

Number

PI7908565

Type

Invention Patent

Filing

12/29/1978

Publication

-
View on INPI

Progress at the INPI

  1. Filing12/29/78
  2. Publication
  3. Examination06/29/82
  4. Allowance05/15/84
  5. Grant11/27/84
  6. Expired05/09/95

The letters patent expired on 05/09/1995: 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: 06/04/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STABLEX AG

Inventors

W. D. (pessoa física)

Technical data

IPC Classification

C02F 1/58C02F 9/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/15/1984

RPI 708

Republicação - classificação IPC

#15.11

05/02/1984

RPI 706

Republicação - classificação IPC

#15.11

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

09/06/1983

RPI 672

6.2

02/08/1983

RPI 642

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

05/09/1995

RPI 1275

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