Process for producing a shape memory spiral rotary file

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9902025
SERIAL NO

14329868

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A method for manufacturing at least one nonlinear file including the steps of deforming at least a portion of a linear file away from a file axis and heat-treating the deformed file to shape-set the nonlinear file.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
DENTSPLY INTERNATIONAL INC570 WEST COLLEGE AVENUE YORK PA 174013880

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ammon, Dan Tulsa, US 24 143
Shotton, Vincent Broken Arrow, US 18 70

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 Aug 27, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 27, 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