US3233975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prothrombin reaction chamber
Assignee: Ames Lab-Tek Inc
•
Filing: 1962-03-05
•
Granted: 1966-02-08
•
Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 James B Mccormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:31
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/49; G01N33/4905; B; B01; B01L; B01L3/00; B01L3/50; B01L3/502; B01L3/5027; B01L2300/00; B01L2300/08; B01L2300/0809; B01L2300/0822; B01L2400/00; B01L2400/04; B01L2400/0403; B01L2400/0406; B01L2400/0457; B01L9/00; B01L9/52; Y; Y10; Y10S; Y10S435/00; Y10S435/809
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
A MICRO CHAMBER FOR MIXING AND REACTING SMALL QUANTITIES OF LIQUIDS, SAID CHAMBER COMPRISING SUBSTANTIALLY FLAT SIDE WALLS FORMED OF A TRANSPARENT MATERIAL, NARROW END WALLS AND A NARROW BASE WALL DEFINING A FLAT OPEN-TOPPED CAVITY, SAID BASE WALL INCLUDING AN ELEVATED PORTION INTERMEDIATE THE ENDS THEREOF DIVIDING SAID CAVITY INTO TWO INTERCONNECTING LIQUID-RECEIVING POCKETS, SAID SIDE WALLS BEING SUFFICIENTLY CLOSELY SPACED FROM EACH OTHER TO PROVIDE A LIQUID-RECEIVING POCKET IN WHICH CAPILLARY FORCES CAUSE LIQUID CONTAINED THEREIN TO RISE SUBSTANTIALLY UPWARDLY FROM SAID BASE WALL IN SAID LIQUIDRECEIVING POCKET ALONG SAID SIDE WALLS AND SAID END WALL TO A POSITION ABOVE SAID ELEVATED PORTION OF SAID BASE WALL.
References Cited (Backward Citations)
DE34023C
Cited
US2279121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |