Method of calculation for detailed waverfront calculation for spectacle lenses with a diffractive grating

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9835875
SERIAL NO

13988130

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Method for assessing an optical property of kth order of an optical element at an evaluation point. The optical element has a boundary surface formed of a refractive base surface and a phase-modifying optical element. The method includes determining the properties of a wavefront in the local surrounding of the evaluation point by means of a local wavefront tracing, and

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
RODENSTOCK GMBHELSENHEIMERSTR 33 80687 MÜNCHEN 80687

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Altheimer, Helmut Baisweil-Lauchdorf, DE 83 748
Becken, Wolfgang Munich, DE 44 358
Esser, Gregor Munich, DE 80 651
Sessner, Rainer Roth, DE 15 152
Trumm, Stephan Munich, DE 23 61
Uttenweiler, Dietmar Icking, DE 30 382
Wehner, Edda Emmering, DE 20 252

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Jun 5, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jun 5, 2029
Fee Large entity fee small entity fee micro entity fee
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