Official data from INPI

APERFEICOAMENTO EM RELE FOTOELETRICO

ConcedidaInvention Patent

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Application data

Number

PI8303768

Type

Invention Patent

Filing

07/14/1983

Publication

01/03/1984

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Progress at the INPI

Filing07/14/83
Publication01/03/84
Examination09/24/85
Allowance10/13/87
Grant06/28/88
Terminated05/02/95

The patent was granted on 06/28/1988 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHRACK DO BRASIL EQUIPAMENTOS [BR]

Inventors

B. H. (pessoa física)

Technical data

IPC Classification

H01H 47/24

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

14.4

12/30/1986

RPI 845

Solicitação de exame técnico

#4.1

09/24/1985

RPI 779

Publicação antecipada

#3.2

01/03/1984

RPI 689

Pedido de patente depositado

#2.1

09/20/1983

RPI 674

Anuidade - prazo legal encerrado

#18.2

05/02/1995

RPI 1274

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APERFEICOAMENTO EM CONTATO ELETRICO APERFEICOAMENTO EM RELE

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