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Official data from INPI

PREPARAÇÃO DE AEROSOL.

ConcedidaInvention Patent
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Application data

Number

PI7905092

Type

Invention Patent

Filing

08/08/1979

Publication

-
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Progress at the INPI

  1. Filing08/08/79
  2. Publication
  3. Examination
  4. Allowance11/16/88
  5. Grant07/25/89
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chemisco, Inc.,

Inventors

A. J. (pessoa física)

Technical data

IPC Classification

C09K 3/30

Priority claims

US

058732 · 07/23/1979

US

932211 · 08/09/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

03/07/1989

RPI 959

Deferimento

#9.1

11/16/1988

RPI 943

Exigência - art. 36 da LPI

#6.1

07/19/1988

RPI 926

Exigência - art. 36 da LPI

#6.1

09/01/1987

RPI 880

14.4

05/15/1984

RPI 708

6.2

04/06/1982

RPI 598

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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