Official data from INPI

CONTROLE DE MUDANCA PARA TRANSMISSAO DE ENGRENAGEM DE VELOCIDADE

Em AnáliseInvention Patent

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Application data

Number

PI7901952

Type

Invention Patent

Filing

03/30/1978

Publication

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Progress at the INPI

Filing03/30/78
Publication
Examination11/24/81
Allowance02/08/83
Grant09/27/83
Expired06/21/94

The letters patent expired on 06/21/1994: 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: 10/08/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EATON CORP

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Inventors

S. R. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

10/08/1985

RPI 781

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

06/07/1983

RPI 659

Deferimento

#9.1

02/08/1983

RPI 642

15.0

08/17/1982

RPI 617

Exigência - art. 36 da LPI

#6.1

07/20/1982

RPI 613

Solicitação de exame técnico

#4.1

11/24/1981

RPI 579

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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TRANSMISSAO AUTOMATICA CONTROLADOR DE FLUXO DE FLUIDO CONJUNTO DE FREIO DE VEICULO DISPOSITIVO ROTATIVO DE PRESSAO HIDRAULICA MECANISMO DESACELADOR E REVERSOR DE ENTRADA DE TRANSMISSAO APERFEICOAMENTOS EM TRANSMISSAO BLOQUEADA DE MUDANCA DE MARCHA TRANSMISSAO DE ENGRENAGENS DE MUDANCA DE VELOCIDADE

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