Official data from INPI

SUPORTE DE TRILHO E CONJUNTO DE FIXACAO DE TRILHO

ConcedidaInvention Patent

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Application data

Number

PI7703789

Type

Invention Patent

Filing

08/26/1976

Publication

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Progress at the INPI

Filing08/26/76
Publication
Examination
Allowance
Grant06/28/83
Terminated01/21/92

The patent was granted on 06/28/1983 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: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LESTEEL SPRING CO LTD

Inventors

G. E. (pessoa física)

Technical data

IPC Classification

E01B 9/60

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

14.1

03/29/1983

RPI 649

15.0

01/12/1982

RPI 586

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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