Vent device having one or more stage ventilation assemblies

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11697326
APP PUB NO 20210331561A1
SERIAL NO

17236379

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A vent device includes at least one stage ventilation assembly, each stage of the at least one stage ventilation assembly includes an inner layer element and an outer layer element. An air duct is formed between the outer layer element and the inner layer element, and the air duct has an air duct outlet. Each stage of the at least one stage ventilation assembly has an air duct open position and closed position. The outer layer element and the inner layer element are configured to be able to move along the first direction relative to each other between the air duct open position and closed position. In the air duct closed position, the inner layer element closes the air duct outlet, and in the air duct open position, the inner layer element opens the air duct outlet.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • ILLINOIS TOOL WORKS INC.

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yang, Jibang Shanghai, CN 1 0
Yu, Jie Shanghai, CN 193 4258

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Jan 11, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 11, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 11, 2035
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00