US3067327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring device
Assignee: Engelhard Hanovia Inc
•
Filing: 1957-06-21
•
Granted: 1962-12-04
•
Expires: 1977-06-21
Abstract
No abstract record available.
Inventors
- 👤 Raymond P W Scott
- 👤 Carter Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:01
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/31; G01N21/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN APPARATUS FOR DETERMINING THE AROMATIC HYDROCARBON CONTENT OF A GAS MIXTURE, WHICH COMPRISES A GAS SAMPLE CONTAINER, MEANS FOR ADMITTING THE GAS INTO SAID CONTAINER, A PAIR OF OPPOSED WINDOWS IN THE WALL OF SAID CONTAINER, A SOURCE OF ULTRA VIOLET LIGHT AND A PHOTOELECTRIC CELL MOUNTED IN LINE WITH SAID WINDOWS ON OPPOSITE SIDES OF SAID CONTAINER, AND MEANS FOR APPLYING HEAT DIRECTLY TO THE OUTER SURFACES OF SAID WINDOWS TO SELECTIVELY HEAT THE WINDOWS TO A GREATER EXTENT THAN THE REMAINDER OF THE CONTAINER.
Claim 2
Independent Claim
87 words
AN APPARATUS FOR DETERMINING THE AROMATIC HYDROCARBON CONTENT OF A GAS MIXTURE, WHICH COMPRISES A GAS SAMPLE CONTAINER, MEANS FOR ADMITTING THE GAS INTO SAID CONTAINER, A PAIR OF OPPOSED WINDOWS IN THE WALL OF SAID CONTAINER, A SOURCE OF ULTRA VIOLET LIGHT AND A PHOTOELECTRIC CELL MOUNTED IN LINE WITH SAID WINDOWS ON OPPOSITE SIDES OF SAID CONTAINER, AND MEANS FOR APPLYING HEAT DIRECTLY TO THE OUTER SURFACES OF SAID WINDOWS TO SELECTIVELY HEAT THE WINDOWS TO A GREATER EXTENT THAN THE REMAINDER OF THE CONTAINER.
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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) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |