US3419722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spectrophotometric apparatus for rapid analysis having deflection means to prevent vortex formation
Assignee: United States Department of the Army
•
Filing: 1965-10-22
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Granted: 1968-12-31
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 John E Meikle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:59
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/01; G01N21/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
SPECTROPHOTOMETRIC ANALYSIS APPARATUS COMPRISING FLUID LINE MEANS TO INTRODUCE A FLUID TO BE ANALYZED INTO A SUBSTANTIALLY TRANSPARENT CUVETTE, DEFLECTION MEANS FOR SAID FLUID LINE MEANS TO PREVENT FORMATION OF A VORTEX OR SUCH DISTURBANCE IN THE FLUID, OVERFLOW LINE MEANS TO AUTOMATICALLY REMOVE FLUID ABOVE A PREDETERMINED LEVEL IN SAID CUVETTE AND DRAIN LINE MEANS TO DRAIN SAID CUVETTE WHEN DESIRED.
Claim 2
Dependent Claim
62 words
SPECTROPHOTOMETRIC ANALYSIS APPARATUS COMPRISING FLUID LINE MEANS TO INTRODUCE A FLUID TO BE ANALYZED INTO A SUBSTANTIALLY TRANSPARENT CUVETTE, DEFLECTION MEANS FOR SAID FLUID LINE MEANS TO PREVENT FORMATION OF A VORTEX OR SUCH DISTURBANCE IN THE FLUID, OVERFLOW LINE MEANS TO AUTOMATICALLY REMOVE FLUID ABOVE A PREDETERMINED LEVEL IN SAID CUVETTE AND DRAIN LINE MEANS TO DRAIN SAID CUVETTE WHEN DESIRED.
References Cited (Backward Citations)
US3306157A
Cited
US3080789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |