Official data from INPI

DISPOSITIVO COLETOR PARA DRENAGEM TORAXICA

Em AnáliseInvention Patent

Talk to an expert

Application data

Number

PI7605834

Type

Invention Patent

Filing

11/20/1975

Publication

View on INPI

Progress at the INPI

Filing11/20/75
Publication
Examination
Allowance
Grant
Expired09/21/93

The letters patent expired on 09/21/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/20/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SHERWOOD MEDICAL IND INC

Inventors

D. L. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

09/20/1983

RPI 674

Pedido de licença compulsória

#20.1

09/13/1983

RPI 673

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

From the same holder

PROCESSO PARA A SEPARACAO DE UMA FASE MAIS LEVE DE UMA AMOSTRA DE SANGUE E COMPOSICAO TIXOTROPICA USADO NO PROCESSO TUBO PLASTICO E PROCESSO DE FABRICACAO DO MESMO DISPOSITIVO E SERINGA DE ARMAZENAGEM DE DROGA PARENTERAL DISPOSITIVO PARA DRENAGEM DE FLUIDOS

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.