US5225164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microplate laboratory tray with rectilinear wells
Assignee: Individual
•
Filing: 1991-09-30
•
Granted: 1993-07-06
•
Expires: 2011-09-30
Abstract
Abstract In a preferred embodiment, a microplate laboratory tray including a frame with a plurality of open top wells disposed in the frame, each of the wells having a bottom attached to four orthogonally joined generally vertical walls, and each pair of adjacent wells being separated by a single common wall. To promote mixing and oxygen transfer, one or more baffles may be disposed on one or more walls.
Inventors
- 👤 Thomas W. Astle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:10
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/508; B01L3/5085
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
76 words
A microplate laboratory tray, comprising: (a) a frame; (b) a plurality of open top wells disposed in said frame, each of said wells having a bottom attached to four orthogonally joined generally vertical walls; (c) each pair of adjacent said wells being separated by a single common wall; and (d) at least one vertical mixing baffle disposed against at least one said wall of a said well to promote mixing and increase rate of oxygen transfer.
Claim 2
Dependent Claim
76 words
A microplate laboratory tray, comprising: (a) a frame; (b) a plurality of open top wells disposed in said frame, each of said wells having a bottom attached to four orthogonally joined generally vertical walls; (c) each pair of adjacent said wells being separated by a single common wall; and (d) at least one vertical mixing baffle disposed against at least one said wall of a said well to promote mixing and increase rate of oxygen transfer.
Claim 3
Dependent Claim
29 words
A microplate laboratory tray, as defined in claim 1, wherein said wells are disposed in an eight-by-twelve pattern, with the centers of adjacent said wells spaced 9 millimeters apart.
Claim 4
Dependent Claim
18 words
A microplate laboratory tray, as defined in claim 1, wherein said walls are joined in a square pattern.
Claim 5
Dependent Claim
16 words
A microplate laboratory tray, as defined in claim 1, wherein said bottom is horizontal and flat.
Claim 6
Dependent Claim
40 words
A microplate laboratory tray, as defined in claim 1, wherein said at least one vertical mixing baffle has a triangular shape and the base thereof extends along the bottom of a said well approximately one-half the width of said bottom.
Claim 7
Dependent Claim
35 words
A microplate laboratory tray, as defined in claim 1, wherein said at least one vertical mixing baffle is rectangular and the width thereof extends into said well about one-quarter of the width of said well.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-07-05 | 1997-01-04 | 1997-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-07-05 | 2001-01-04 | 2001-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-07-05 | 2005-01-04 | 2005-07-06 | $7700.00 | Window Closed / Lapsed |