US Patent No: 6,623,669

Number of patents in Portfolio can not be more than 2000

Method and apparatus for casting lenses

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Importance

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Abstract

An apparatus for manufacturing a lens with a predetermined prescription from a number of lens molds, a gasket, and a source of a fluid material. The apparatus includes a device for selecting a first lens mold and a second lens mold based upon the prescription, a device for positioning the lens molds within the gasket, a device for inserting an amount of the fluid material within the gasket and between the molds, a device for curing the fluid material so as to form the lens, and a device for advancing the lens molds along a predetermined path through the selecting device, the positioning device, the fill device, and the cure device.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
OPTISCHE WERKE G. RODENSTOCK80469 MUENCHEN57

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barrett, Richard Kennedale, TX 4 49
Conard, Rick Greenville, SC 2 7
Humphries, Andy Greenville, SC 3 7
Michel, Matt A Greenville, SC 3 7
Slack, Dale E Alpharetta, GA 3 7
Smith, Dave Highland, CA 27 116
Zawoy, Karl Alpharetta, GA 7 7

Cited Art

Patent Info (Count) # Cites Year
 
TECHNOLOGY RESOURCE INTERNATIONAL CORPORATION (6)
6,068,464 Gasket for lens making 23 1998
6,082,987 Apparatus for assembling a lens-forming device 61 1998
6,099,763 Method and apparatus for filling a lens-forming device with a curable fluid 6 1998
6,103,148 Method for curing a lens-forming fluid 49 1998
6,099,764 Method of lens casting without using a gasket 5 1999
D434050 Gasket for lens making 2 1999

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
Q2100, INC. (6)
7,139,636 System for preparing eyeglass lenses with bar code reader 5 2001
7,083,404 System for preparing an eyeglass lens using a mold holder 0 2001
7,074,352 Graphical interface for monitoring usage of components of a lens forming apparatus 0 2001
7,060,208 Method of preparing an eyeglass lens with a controller 0 2001
7,037,449 Method for automatically shutting down a lens forming apparatus 0 2001
7,025,910 Method of entering prescription information 0 2001
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
6,982,840 Magnifier and glasses 6 2004

Maintenance Fees

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 23, 2015
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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