Official data from INPI

ANEL DE ASSENTO DE VALVULA DE TRAVAMENTO AUTOMATICO

ConcedidaInvention Patent

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Application data

Number

PI8000501

Type

Invention Patent

Filing

02/05/1979

Publication

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Progress at the INPI

Filing02/05/79
Publication
Examination
Allowance08/21/84
Grant03/26/85
Terminated07/26/94

The patent was granted on 03/26/1985 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ROSAN INC

Inventors

R. J. (pessoa física)

Technical data

IPC Classification

F01L 3/22

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Exigência - art. 36 da LPI

#6.1

02/07/1984

RPI 694

Exigência - art. 36 da LPI

#6.1

08/23/1983

RPI 670

Anuidade - prazo legal encerrado

#18.2

07/26/1994

RPI 1234

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