US2741094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for dispensing gases
Assignee: BOC Group Ltd
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Filing: 1952-08-26
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Granted: 1956-04-10
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Expires: 1972-08-26
Abstract
No abstract record available.
Inventors
- 👤 Schuftan Paul Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:25
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/04; F25J3/04006; F25J3/04078; F25J3/0409; F17; F17C; F17C9/00; F17C9/02; F17C9/04; F25J3/04248; F25J3/04284; F25J3/0429; F25J3/04296; F25J3/04406; F25J3/04412; F25J3/04472; F25J3/04496; F17C2203/00; F17C2203/03; F17C2203/0391; F17C2221/00; F17C2221/01; F17C2221/011; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2227/00; F17C2227/03; F17C2227/0302; F17C2227/0309; F17C2227/0367; F17C2227/0388; F17C2227/0393; F17C2270/00; F17C2270/05; F25J2205/00; F25J2205/24; F25J2235/00; F25J2235/50; F25J2245/00; F25J2245/90; F25J2250/00; F25J2250/30; F25J2250/50; F25J2290/00; F25J2290/62; Y; Y10; Y10S; Y10S62/00; Y10S62/912; Y10S62/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
APPARATUS FOR DISPENSING A GAS HAVING A BOILING POINT AT ATMOSPHERIC PRESSURE BELOW ABOUT 21* C. TO CONSUMMER MEANS HAVING A FLUCTUATING DEMAND FROM A SUPPLY MEANS DELIVERING THE GAS AT A CONTINUOUS AND RELATIVELY STEADY RATE, WHICH APPARATUS COMPRISES MEANS FOR DELIVERING THE GAS TO SAID CONSUMING MEANS AT A DEMAND PRESSURE; A STORAGE MEDIUM COMPRISING AN INSULATED PRESSURE VESSEL HOLDING A MASS OF THE GAS IN THE LIQUID STATE AND PROVIDING A VAPOR SPACE ABOVE THE LIQUID; MEANS INCLUDING A CONDUIT OPENING BELOW THE LEVEL OF THE MASS OF LIQUID GAS AND OPERABLE WHEN THE DEMAND BY THE CONSUMMER MEANS IS LESS THAN SAID RATE FOR PASSING THE EXCESS GAS AT SUBSTANTIALLY SATURATION TEMPERATURE AND AT INCREASING PRESSURES HIGHER THAN SAID DEMAND PRESSURE INTO SAID VESSEL THROUGH SAID MASS OF LIQUID GAS SO AS TO EFFECT CONDENSATION OF SUCH EXCESS GAS; AND MEANS OPERABLE WHEN THE DEMAND BY THE CONSUMER MEANS EXCEEDS SAID RATE FOR WITHDRAWING GAS FROM SAID STORAGE MEDIUM AT REDUCING PRESSURES AND PASSING IT TO SAID CONSUMING MEANS TO AUGMENT THE GAS FROM THE SUPPLY MEANS.
Claim 2
Dependent Claim
181 words
APPARATUS FOR DISPENSING A GAS HAVING A BOILING POINT AT ATMOSPHERIC PRESSURE BELOW ABOUT 21* C. TO CONSUMMER MEANS HAVING A FLUCTUATING DEMAND FROM A SUPPLY MEANS DELIVERING THE GAS AT A CONTINUOUS AND RELATIVELY STEADY RATE, WHICH APPARATUS COMPRISES MEANS FOR DELIVERING THE GAS TO SAID CONSUMING MEANS AT A DEMAND PRESSURE; A STORAGE MEDIUM COMPRISING AN INSULATED PRESSURE VESSEL HOLDING A MASS OF THE GAS IN THE LIQUID STATE AND PROVIDING A VAPOR SPACE ABOVE THE LIQUID; MEANS INCLUDING A CONDUIT OPENING BELOW THE LEVEL OF THE MASS OF LIQUID GAS AND OPERABLE WHEN THE DEMAND BY THE CONSUMMER MEANS IS LESS THAN SAID RATE FOR PASSING THE EXCESS GAS AT SUBSTANTIALLY SATURATION TEMPERATURE AND AT INCREASING PRESSURES HIGHER THAN SAID DEMAND PRESSURE INTO SAID VESSEL THROUGH SAID MASS OF LIQUID GAS SO AS TO EFFECT CONDENSATION OF SUCH EXCESS GAS; AND MEANS OPERABLE WHEN THE DEMAND BY THE CONSUMER MEANS EXCEEDS SAID RATE FOR WITHDRAWING GAS FROM SAID STORAGE MEDIUM AT REDUCING PRESSURES AND PASSING IT TO SAID CONSUMING MEANS TO AUGMENT THE GAS FROM THE SUPPLY MEANS.
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) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |