Official data from INPI

PLACA DE APOIO DE VIA FERREA E PROCESSO PARA PRODUCAO DA MESMA

Em AnáliseInvention Patent

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Application data

Number

PI7704001

Type

Invention Patent

Filing

06/20/1977

Publication

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Progress at the INPI

Filing06/20/77
Publication
Examination
Allowance02/16/82
Grant
Terminated01/21/92

The patent was granted 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: 06/08/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PANDROL LTD

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

06/08/1982

RPI 607

Deferimento

#9.1

02/16/1982

RPI 591

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

From the same holder

APARELHO E PROCESSO PARA USO NA FABRICACAO DE UM GRAMPO DE FIXACAO DE TRILHO FERROVIARIO,BEM COMO INSTALACAO E OPERACAO ISOLADOR ELETRICO E TRILHO PARA ESTRADA DE FERRO GRAMPO DE LIGACAO DE TRILHO DE ESTRADA DE FERRO DISPOSITIVO E PROCESSO PARA REMOVER UM GRAMPO DE TRILHO TRILHO FERROVIARIO E CONJUNTO DE FIXACAO

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