Official data from INPI

ANEL DE PISTAO

Em AnáliseInvention Patent

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Application data

Number

PI7701317

Type

Invention Patent

Filing

03/04/1976

Publication

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Progress at the INPI

Filing03/04/76
Publication
Examination
Allowance10/20/81
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: 10/06/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RAMSEY CORP

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

10/06/1987

RPI 885

20.6

06/16/1987

RPI 869

Notificação para pagamento de retribuição

#13.1

03/02/1982

RPI 593

Deferimento

#9.1

10/20/1981

RPI 574

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

From the same holder

ANEL DE RETENCAO PROCESSO E APARELHO PARA MOLDAR UM ANEL DE SEGMENTO ANEL DE SEGMENTO DE CONTROLE DE OLEO PROCESSO DE REVESTIR AS RESPECTIVAS FACES DE UMA PLURALIDADE

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