US3121999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dilution system for evaporation gas
Assignee: Union Carbide Corp
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Filing: 1961-06-26
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Granted: 1964-02-25
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Martin L Kasbohm
- 👤 Donald B Mcwhorter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:24
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/12; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0326; F17C2205/0329; F17C2221/00; F17C2221/01; F17C2221/012; F17C2221/03; F17C2221/031; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0626; F17C2260/00; F17C2260/04; F17C2260/042; F17C2260/05; F17C2265/00; F17C2265/02; F17C2265/025; F17C2270/00; F17C2270/01; F17C2270/0165; F17C2270/0168; F17C2270/0173; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A METHOD OF DILUTING A PRESSURIZED HAZARDOUS GAS IN AIR WHICH COMPRISES: PASSING AT LEAST A PORTION OF SAID PRESSURIZED HAZARDOUS GAS TO A WORK EXPANSION DEVICE; PASSING THE REMAINING PRESSURIZED HAZARDOUS GAS TO A VALVE EXPANSION DEVICE; WORK EXPANDING THE GAS PASSED TO SAID WORK EXPANSION DEVICE; EXPANDING TO ATMOSPHERIC PRESSURE THE GAS PASSED TO SAID VALVE EXPANSION DEVICE; DRIVING A MIXING DEVICE WITH THE POWER GENERATED BY WORK EXPANDING THE GAS PASSED TO SAID WORK EXPANSION DEVICE; DISCHARGING ALL OF SAID EXPANDED GAS INTO THE VICINITY OF SAID MIXING DEVICE; MIXING ALL OF SAID DISCHARGED EXPANDED GAS WITH AMBIENT AIR; AND EXHAUSTING THE RESULTING MIXTURE TO ATMOSPHERE AT PROPORTIONS WHICH ARE NOT FLAMMABLE AND SAFE TO HUMANS.
Claim 2
Independent Claim
119 words
A METHOD OF DILUTING A PRESSURIZED HAZARDOUS GAS IN AIR WHICH COMPRISES: PASSING AT LEAST A PORTION OF SAID PRESSURIZED HAZARDOUS GAS TO A WORK EXPANSION DEVICE; PASSING THE REMAINING PRESSURIZED HAZARDOUS GAS TO A VALVE EXPANSION DEVICE; WORK EXPANDING THE GAS PASSED TO SAID WORK EXPANSION DEVICE; EXPANDING TO ATMOSPHERIC PRESSURE THE GAS PASSED TO SAID VALVE EXPANSION DEVICE; DRIVING A MIXING DEVICE WITH THE POWER GENERATED BY WORK EXPANDING THE GAS PASSED TO SAID WORK EXPANSION DEVICE; DISCHARGING ALL OF SAID EXPANDED GAS INTO THE VICINITY OF SAID MIXING DEVICE; MIXING ALL OF SAID DISCHARGED EXPANDED GAS WITH AMBIENT AIR; AND EXHAUSTING THE RESULTING MIXTURE TO ATMOSPHERE AT PROPORTIONS WHICH ARE NOT FLAMMABLE AND SAFE TO HUMANS.
References Cited (Backward Citations)
US2507380A
Cited
US2760342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |