US3195345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric dewpoint determining system
Assignee: Cambridge Systems Inc
•
Filing: 1964-05-11
•
Granted: 1965-07-20
•
Expires: 1984-05-11
Abstract
No abstract record available.
Inventors
- 👤 Tom N Thiele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:10
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/56; G01N25/66; G01N25/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE METHOD OF DETECTING THE DEWPOINT OF A GAS COMPRISING THE STEPS OF PASSING THE GAS OVER A REFLECTIVE SURFACE, PELTIER EFFECT COOLING OF THE REFLECTIVE SURFACE IN PROPORTIONAL RELATION TO RATE OF AN ELECTRIC COOLING DIRECTION CURRENT CAUSING SAID PELTIER EFFECT COOLING, DECREASING RATE OF THE ELECTRIC COOLING CURRENT AND THEREBY SAID RATE OF COOLING OF THE REFLECTIVE SURFACE IN PROPORTIONAL RELATION TO DECREASE IN REFLECTIVITY OF THE REFLECTIVE SURFACE FROM DEW FORMATION ON THE COOLED REFLECTIVE SURFACE UNTIL AN EQUILIBRIUM CONDITION IS REACHED.
Claim 2
Independent Claim
85 words
THE METHOD OF DETECTING THE DEWPOINT OF A GAS COMPRISING THE STEPS OF PASSING THE GAS OVER A REFLECTIVE SURFACE, PELTIER EFFECT COOLING OF THE REFLECTIVE SURFACE IN PROPORTIONAL RELATION TO RATE OF AN ELECTRIC COOLING DIRECTION CURRENT CAUSING SAID PELTIER EFFECT COOLING, DECREASING RATE OF THE ELECTRIC COOLING CURRENT AND THEREBY SAID RATE OF COOLING OF THE REFLECTIVE SURFACE IN PROPORTIONAL RELATION TO DECREASE IN REFLECTIVITY OF THE REFLECTIVE SURFACE FROM DEW FORMATION ON THE COOLED REFLECTIVE SURFACE UNTIL AN EQUILIBRIUM CONDITION IS REACHED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |