Official data from INPI

DISJUNTOR MULTIPOLAR

ConcedidaInvention Patent

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Application data

Number

PI7805799

Type

Invention Patent

Filing

09/06/1977

Publication

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Progress at the INPI

Filing09/06/77
Publication
Examination
Allowance12/01/81
Grant08/31/82
Terminated01/28/92

The patent was granted on 08/31/1982 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: 08/31/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SQUARE D CO

Inventors

D. J. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

H01H 33/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

04/13/1982

RPI 599

15.0

12/15/1981

RPI 582

Deferimento

#9.1

12/01/1981

RPI 580

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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