US3044288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidiometer hydrogen tube analyzer
Assignee: Individual
•
Filing: 1960-11-29
•
Granted: 1962-07-17
•
Expires: 1980-11-29
Abstract
No abstract record available.
Inventors
- 👤 Dwight L Randall
- 👤 Thure E Hanley
- 👤 Larison Oliver Kngler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:50
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/0004; G01N33/0006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
APPARATUS FOR CALIBRATING A HUMIDIOMETER COMPRISING A HYDROGEN TUBE SOURCE AND A NITRIC OXIDE DETECTOR WHICH COMPRISES A FLUSH CHAMBER ADAPTED TO SECURE SAID HYDROGEN TUBE AND SAID NITRIC OXIDE TUBE IN OPPOSING SIDES THEREOF WITH THEIR WINDOWS OPPOSIBG EACH OTHER, INLET AND OUTLET LINES SECURED TO SAID FLUSH CHAMBER, VALVE MEANS CONNECTED IN SAID OUTLET LINE, A FLUSH CHAMBER PRESSURE INDICATOR MEANS SECURED TO SAID OUTLET BETWEEN SAID VALVE MEANS IN SAID OUTLET LINE AND SAID FLUSH CHAMBER, A VALVE SELECTOR MEANS IN SAID INLET LINE ADAPATED TO ADMIT DRY AIR WHEN IN ONE POSITION AND WET AIR WHEN IN ANOTHER POSITION, AND AN EXHAUST PUMP MEANS SECURED TO SAID OUTLET LINE.
Claim 2
Dependent Claim
113 words
APPARATUS FOR CALIBRATING A HUMIDIOMETER COMPRISING A HYDROGEN TUBE SOURCE AND A NITRIC OXIDE DETECTOR WHICH COMPRISES A FLUSH CHAMBER ADAPTED TO SECURE SAID HYDROGEN TUBE AND SAID NITRIC OXIDE TUBE IN OPPOSING SIDES THEREOF WITH THEIR WINDOWS OPPOSIBG EACH OTHER, INLET AND OUTLET LINES SECURED TO SAID FLUSH CHAMBER, VALVE MEANS CONNECTED IN SAID OUTLET LINE, A FLUSH CHAMBER PRESSURE INDICATOR MEANS SECURED TO SAID OUTLET BETWEEN SAID VALVE MEANS IN SAID OUTLET LINE AND SAID FLUSH CHAMBER, A VALVE SELECTOR MEANS IN SAID INLET LINE ADAPATED TO ADMIT DRY AIR WHEN IN ONE POSITION AND WET AIR WHEN IN ANOTHER POSITION, AND AN EXHAUST PUMP MEANS SECURED TO SAID OUTLET LINE.
References Cited (Backward Citations)
US2908820A
Cited
US2918578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |