Official data from INPI

CONTACTO MANOMÉTRICO COM DOIS LIMIARES INVERTIDOS.

Em AnáliseInvention Patent

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Application data

Number

PI8701821

Type

Invention Patent

Filing

04/15/1987

Publication

01/26/1988

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Progress at the INPI

Filing04/15/87
Publication01/26/88
Examination06/13/89
Allowance10/27/92
Grant04/27/93
Expired07/29/08

The letters patent expired on 07/29/2008: 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: 06/13/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Jaeger.

Inventors

C. B. (pessoa física)

Y. G. (pessoa física)

Technical data

IPC Classification

H01H 35/34

Priority claims

86 05376 · 04/15/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/13/1989

RPI 973

Publicação do pedido de patente

#3.1

01/26/1988

RPI 901

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Carta-patente expirada

#21.1

Patente extinta em 15/04/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

03/09/1993

RPI 1162

Republicação - classificação IPC

#15.11

12/08/1992

RPI 1149

Deferimento

#9.1

10/27/1992

RPI 1143

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