Title:
Colorimeter
United States Patent D403259
US Patent References:
Pocket colorimeter
Anderson - March, 1993 - D333992
Portable colorimeter
Anderson et al. - June, 1993 - D336444
Liquid test meter
Narayanan - January, 1995 - D354921
Diagnostic tester
McConnell - May, 1995 - D357876
PH meter
Brockway et al. - August, 1995 - D360840
Pocket colorimeter
Anderson - March, 1993 - D333992
Portable colorimeter
Anderson et al. - June, 1993 - D336444
Liquid test meter
Narayanan - January, 1995 - D354921
Diagnostic tester
McConnell - May, 1995 - D357876
PH meter
Brockway et al. - August, 1995 - D360840
Inventors:
Tsubota, Yoshitami (Matsuyama, JP)
Takechi, Sadatoshi (Matsuyama, JP)
Isshiki, Katsufumi (Matsuyama, JP)
Fukumura, Takeshi (Matsuyama, JP)
Kubota, Tomisada (Tokyo, JP)
Takechi, Sadatoshi (Matsuyama, JP)
Isshiki, Katsufumi (Matsuyama, JP)
Fukumura, Takeshi (Matsuyama, JP)
Kubota, Tomisada (Tokyo, JP)
Application Number:
D/080245
Publication Date:
12/29/1998
Filing Date:
12/05/1997
View Patent Images:
Export Citation:
Assignee:
Miura Co., Ltd. (Ehime-ken, JP)
Primary Class:
Other Classes:
D10/78
Field of Search:
D10/46, D10/78, D10/81, 356/402-411, 356/412-422, 356/432-435
US Patent References:
| 3927955 | Medical cassette pump | December, 1975 | Spinosa et al. | |
| 4187057 | Peristaltic infusion pump and disposable cassette for use therewith | February, 1980 | Xanthopoulos | |
| 4256437 | Peristaltic infusion pump and method | March, 1981 | Brown | |
| 4303376 | Flow metering cassette and controller | December, 1981 | Siekmann | |
| 4537561 | Peristaltic infusion pump and disposable cassette for use therewith | August, 1985 | Xanthopoulos | |
| 4886431 | Peristaltic pump having independently adjustable cartridges | December, 1989 | Soderquist et al. | |
| 5082429 | Peristaltic pump | January, 1992 | Soderquist et al. | |
| 5083868 | Colorimeter | January, 1992 | Anderson | 356/402 |
| 5213483 | Peristaltic infusion pump with removable cassette and mechanically keyed tube set | May, 1993 | Flaherty et al. | |
| 5257917 | Peristaltic pump having means for reducing flow pulsation | November, 1993 | Minarik et al. | |
| 5380173 | Peristaltic pump | January, 1995 | Hellstrom | |
| 5691817 | Apparatus and method for calibration in a spectrophotometer | November, 1997 | Corgill et al. | 356/405 |
Primary Examiner:
Davis, Antoine Duval
Attorney, Agent or Firm:
Birch, Stewart, Kolasch & Birch, LLP
Claims:
1. The ornamental design for a colorimeter, as shown and described.
Description:
FIG. 1 is a front perspective view from the left side of a colorimeter showing our new design;
FIG. 2 is a rear perspective view thereof; and,
FIG. 3 is a front left perspective view thereof with the reagent cartridge illustrated in a removed condition.