Projection device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11656543
SERIAL NO

17464126

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A projection device includes an optical lens and a light source. The optical lens has an incident surface of light, a reflecting surface that has a concave curved surface and internally reflects light that has entered through the incident surface, and an exit surface of light that has been reflected by the reflecting surface. The light source that emits light that enters the optical lens.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • CASIO COMPUTER CO. LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sugiyama, Chihaya Fussa, JP 10 20

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 Nov 23, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Nov 23, 2030
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 23, 2034
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