Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI8107093

Type

Invention Patent

Filing

11/03/1981

Publication

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Progress at the INPI

Filing11/03/81
Publication
Examination08/28/84
Allowance08/26/86
Grant04/28/87
Terminated03/19/96

The patent was granted on 04/28/1987 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: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. C. (pessoa física)

Inventors

C. D. (pessoa física)

P. G. (pessoa física)

Technical data

IPC Classification

C08F 226/10 G02C 7/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

12/09/1986

RPI 842

Deferimento

#9.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

04/23/1985

RPI 757

Solicitação de exame técnico

#4.1

08/28/1984

RPI 723

Pedido de patente depositado

#2.1

12/15/1981

RPI 582

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

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