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Official data from INPI

HERLUCIDAS SELETIVOS

Em AnáliseInvention Patent

Application data

Number

PI7900355

Type

Invention Patent

Filing

01/19/1979

Publication

-

Progress at the INPI

  1. Filing01/19/79
  2. Publication
  3. Examination
  4. Allowance06/29/93
  5. Grant11/30/93
  6. Expired05/31/94

The letters patent expired on 05/31/1994: 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: 06/11/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

See this company's full portfolio

Inventors

D. C. (pessoa física)

GB

D. C. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

2337/78 · 01/19/1978

GB

23772/78 · 05/30/1978

GB

50241/78 · 12/29/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de recurso

#12.3

06/11/1985

RPI 764

11.3

02/26/1985

RPI 749

Exigência - art. 36 da LPI

#6.1

05/02/1984

RPI 706

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

6.2

02/16/1982

RPI 591

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07D 147/00; A01N 9/14.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

05/31/1994

RPI 1226

Concessão da patente

#16.1

11/30/1993

RPI 1200

Deferimento

#9.1

06/29/1993

RPI 1178

102

05/04/1993

RPI 1170

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