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Official data from INPI

GOMO DECANTADOR DE BENZOL A QUENTE

Em AnáliseInvention Patent
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Application data

Number

PI8007750

Type

Invention Patent

Filing

11/27/1980

Publication

-
View on INPI

Progress at the INPI

  1. Filing11/27/80
  2. Publication
  3. Examination
  4. Allowance02/12/86
  5. Grant06/24/86
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Codistil S.A - Denini

SP, BR

Inventors

G. N. (pessoa física)

Technical data

IPC Classification

C07C 27/24

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

04/19/1988

RPI 913

20.4

04/12/1988

RPI 912

Pedido de licença compulsória

#20.1

04/05/1988

RPI 911

Concessão da patente

#16.1

06/24/1986

RPI 818

Deferimento

#9.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

04/12/1983

RPI 651

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

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