Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI8304256

Type

Invention Patent

Filing

08/08/1983

Publication

05/29/1984

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Progress at the INPI

Filing08/08/83
Publication05/29/84
Examination09/25/84
Allowance08/11/87
Grant02/28/89
Terminated04/09/96

The patent was granted on 02/28/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rohm And Haas Company

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

110

10/25/1988

RPI 940

Recurso

#12.1

11/24/1987

RPI 892

Deferimento

#9.1

08/11/1987

RPI 877

Exigência - art. 36 da LPI

#6.1

05/20/1986

RPI 813

Pedido de certificado de adição de invenção

#5.1

02/20/1985

RPI 748

Solicitação de exame técnico

#4.1

09/25/1984

RPI 727

Publicação antecipada

#3.2

05/29/1984

RPI 710

Pedido de patente depositado

#2.1

10/18/1983

RPI 678

Anuidade - prazo legal encerrado

#18.2

04/09/1996

RPI 1323

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