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Official data from INPI

PROCESSO E APARELHO PARA SEPARAR UM LÍQUIDO ORGÂNICO DE UMA MISTURA DE SOLVENTE/ LÍQUIDO ORGÂNICO.

Em AnáliseInvention Patent

Application data

Number

PI8006241

Type

Invention Patent

Filing

09/29/1980

Publication

-

Progress at the INPI

  1. Filing09/29/80
  2. Publication
  3. Examination
  4. Allowance07/09/85
  5. Grant12/31/85
  6. Expired11/07/95

The letters patent expired on 11/07/1995: 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: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arthur D. Little, Inc.

US

C. C. (pessoa física)

US

Inventors

D. R. (pessoa física)

V. J. (pessoa física)

Technical data

Priority claims

US

079.935 · 09/28/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

02/09/1988

RPI 903

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

02/21/1984

RPI 696

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

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