| 
 | The ornamental design for a keratometer, as shown and described.            | |||||||||||||||||
FIG. 1 is a top, front, right perspective view of a keratometer showing our new design;
FIG. 2 is a top, rear, right perspective view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a front elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
| Patent | Priority | Assignee | Title | 
| Patent | Priority | Assignee | Title | 
| 4407572, | Jun 12 1980 | Allergan Humphrey | Keratometer | 
| 4429960, | Oct 31 1980 | Innomed Corporation; INNOMED CORPORATION, CORP OF CA | Keratometric device | 
| 5110200, | Jun 30 1989 | EYESYS LABORATORIES, INC | Video keratometer | 
| D293818, | Sep 30 1985 | CAMBRIDGE INSTRUMENTS INC , A DE CORP | Keratometer or the like | 
| D306068, | Sep 03 1985 | Kowa Company Ltd. | Automatic perimeter for eyesight examination | 
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Oct 30 1996 | Leica Inc. | (assignment on the face of the patent) | / | |||
| Feb 03 1997 | KLOCK, PAUL J | LEICA INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008364/ | 0989 | |
| Feb 04 1997 | HOLBL, WERNER | LEICA INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008364/ | 0989 | |
| Dec 09 1997 | LEICA INC | LEICA MICROSYSTEMS, INC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 009987/ | 0517 | |
| Jan 28 2003 | LEICA MICROSYSTEMS INC | REICHERT, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013735/ | 0464 | |
| Jan 04 2006 | REICHERT, INC | MANUFACTURERS AND TRADERS TRUST COMPANY | SECURITY AGREEMENT | 017006/ | 0751 | |
| Jan 10 2007 | REICHERT, INC | CHARTER ONE BANK, N A | SECURITY AGREEMENT | 018961/ | 0844 | |
| Oct 07 2011 | MANUFACTURERS AND TRADERS TRUST COMPANY | REICHERT, INC | RELEASE OF SECURITY INTEREST IN PATENTS | 027046/ | 0356 | |
| Oct 14 2011 | RBS CITIZENS, N A D B A CHARTER ONE BANK, N A | REICHERT INC | RELEASE OF SECURITY INTEREST IN PATENTS | 027074/ | 0918 | 
| Date | Maintenance Fee Events | 
| Date | Maintenance Schedule |