Barrier device, lens barrel, and imaging apparatus including same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8974129
APP PUB NO 20140212122A1
SERIAL NO

14156577

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

There is provided a barrier device including a main barrier blade and a sub barrier blade. In the operation range of the main barrier blade and the sub barrier blade, a portion of the contacting surface provided on the sub barrier blade that contacts on the main barrier blade is located within the operation range of the contacting surface provided on the main barrier blade that contacts on the sub barrier blade.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishimasa, Toru Kawasaki, JP 22 45

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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 10, 2026
Fee Large entity fee small entity fee micro entity fee
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