Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI8009019

Type

Invention Patent

Filing

01/17/1980

Publication

11/24/1981

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Progress at the INPI

Filing01/17/80
Publication11/24/81
Examination08/23/83
Allowance06/14/88
Grant12/27/88
Expired09/26/95

The letters patent expired on 09/26/1995: 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

United Industries Corporation.

Inventors

A. J. (pessoa física)

Technical data

IPC Classification

C09K 3/30

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Deferimento

#9.1

06/14/1988

RPI 921

Exigência - art. 36 da LPI

#6.1

12/08/1987

RPI 894

14.4

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Notificação de entrada na fase nacional - PCT

#1.3

11/24/1981

RPI 579

Carta-patente expirada

#21.1

09/26/1995

RPI 1295

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