US2622967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gas ratio sampling device
Assignee: Union Carbide Corp
•
Filing: 1947-08-01
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Granted: 1952-12-23
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Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Roscoe R Lobosco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:33
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/06; G05D7/0617; G05D7/0629; G05D7/0635; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/0346; Y10T137/2931; Y10T137/2937; Y10T137/2947; Y10T137/2965
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
IN AN AUTOMATIC GAS RATIO SAMPLING DEVICE, THE COMBINATION OF A WORK HEAD HAVING A MIXER FOR COMBUSTION SUPPORTING GAS AND FUEL GAS, A MIXTURE CONDUIT CONNECTED TO SAID MIXER AND EXTENDING THEREFROM AND CONNECTED TO SAID WORK HEAD FOR SUPPLYING MIXED GAS THERETO, A GAS SAMPLING UNIT HAVING A GAS SAMPLING FLAME TIP, AND A TUBULAR CONNECTION FROM SAID WORK HEAD CONTAINING A GAS FILTER TYPE FLASH ARRESTER AND AN INSULATING TUBE LEADING TO SAID GAS SAMPLING FLAME TIP FOR CONDUCTING MIXED-GAS FROM THE GAS SUPPLY OF SUCH HEAD TO SAID TIP, THE GAS FILTER TYPE FLASH ARRESTER ACTING TO PREVENT "POPPING" OF THE WORK HEAD GAS FORM CARBONIZING THE GAS SAMPLING FLAME TIP INSULATING TUBE.
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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) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |