Official data from INPI

APERFEICOAMENTOS EM TRILHOS E COMANDO PARA ESTORES

Em AnáliseInvention Patent

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Application data

Number

PI7602112

Type

Invention Patent

Filing

04/06/1976

Publication

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Progress at the INPI

Filing04/06/76
Publication
Examination
Allowance
Grant
Expired08/03/93

The letters patent expired on 08/03/1993: 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: 11/06/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. M. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

11/06/1984

RPI 733

Notificação para pagamento de retribuição

#13.1

06/01/1982

RPI 606

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

From the same holder

APERFEICOAMENTOS EM PERSIANAS VERTICAIS

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