Official data from INPI

APERFEICOAMENTO EM RELE

ConcedidaInvention Patent

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Application data

Number

PI8401949

Type

Invention Patent

Filing

04/26/1984

Publication

05/06/1986

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Progress at the INPI

Filing04/26/84
Publication05/06/86
Examination08/12/86
Allowance08/02/88
Grant07/25/89
Terminated06/06/95

The patent was granted on 07/25/1989 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: 07/25/1989. 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 50/04 H01H 50/44

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

14.4

03/31/1987

RPI 858

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

05/06/1986

RPI 811

Pedido de patente depositado

#2.1

07/03/1984

RPI 715

Anuidade - prazo legal encerrado

#18.2

06/06/1995

RPI 1279

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