Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI8206821

Type

Invention Patent

Filing

11/25/1982

Publication

10/04/1983

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Progress at the INPI

Filing11/25/82
Publication10/04/83
Examination01/24/84
Allowance12/29/87
Grant07/26/88
Terminated07/18/95

The patent was granted on 07/26/1988 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. A. (pessoa física)

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Inventors

D. W. (pessoa física)

S. G. (pessoa física)

V. H. (pessoa física)

Technical data

IPC Classification

C08G 59/40 C08K 5/11 C08K 5/1515 C08K 5/17 C08K 5/29 C08L 63/00 C09D 163/00 C09D 201/02 C09D 5/00 C09D 5/44

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

03/26/1985

RPI 753

Solicitação de exame técnico

#4.1

01/24/1984

RPI 692

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

01/18/1983

RPI 639

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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