Official data from INPI

DISPOSITIVO PARA A TRANSMISSAO DE SINAIS DE COMANDO PARA ELEVADORES

Em AnáliseInvention Patent

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Application data

Number

PI7804890

Type

Invention Patent

Filing

07/29/1977

Publication

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Progress at the INPI

Filing07/29/77
Publication
Examination
Allowance
Grant
Expired12/14/93

The letters patent expired on 12/14/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/22/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INVENTIO AG

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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

06/22/1982

RPI 609

Carta-patente expirada

#21.1

12/14/1993

RPI 1202

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