Patent US3194471A successfully refreshed from Google Patents.
US3296809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for pouring liquefied gas
Assignee: Aerospace Corp
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Filing: 1965-08-23
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Granted: 1967-01-10
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Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Feuerstein Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:58
CPC Classifications
F; F17; F17C; F17C13/00; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2227/00; F17C2227/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A DEVICE FOR THE REMOVAL OF LIQUEFIED GAS FROM A ZONE OF HIGH PRESSURE TO A ZONE OF REDUCED PRESSURE COMPRISING: AN EXPANSION CHAMBER HAVING AN UPPER CAP AND A LOWER CLOSURE CAP; VENT MEANS IN THE UPPER CAP FREELY COMMUNICATING THE INTERIOR OF THE EXPANSION CHAMBER WITH THE ATMOSPHERE; AN INLET DUCT DISCHARGING LIQUEFIED GAS FROM THE ZONE OF HIGH PRESSURE INTO THE EXPANSION CHAMBER AT A REGION REMOTE FROM THE VENTED CAP; LIQUID OUTLET MEANS AT THE LOWER END OF THE CHAMBER; A FIBROUS MATERIAL LOOSELY PACKED WITHIN AND SUBSTANTIALLY FILLING THE INTERIOR OF THE EXPANSION CHAMBER; AND BAFFLE MEANS WITHIN THE EXPANSION CHAMBER DISPERSING THE LIQUEFIED GAS AND ITS VAPORS DISCHARGED FROM THE INLET DUCT.
Claim 2
Independent Claim
118 words
A DEVICE FOR THE REMOVAL OF LIQUEFIED GAS FROM A ZONE OF HIGH PRESSURE TO A ZONE OF REDUCED PRESSURE COMPRISING: AN EXPANSION CHAMBER HAVING AN UPPER CAP AND A LOWER CLOSURE CAP; VENT MEANS IN THE UPPER CAP FREELY COMMUNICATING THE INTERIOR OF THE EXPANSION CHAMBER WITH THE ATMOSPHERE; AN INLET DUCT DISCHARGING LIQUEFIED GAS FROM THE ZONE OF HIGH PRESSURE INTO THE EXPANSION CHAMBER AT A REGION REMOTE FROM THE VENTED CAP; LIQUID OUTLET MEANS AT THE LOWER END OF THE CHAMBER; A FIBROUS MATERIAL LOOSELY PACKED WITHIN AND SUBSTANTIALLY FILLING THE INTERIOR OF THE EXPANSION CHAMBER; AND BAFFLE MEANS WITHIN THE EXPANSION CHAMBER DISPERSING THE LIQUEFIED GAS AND ITS VAPORS DISCHARGED FROM THE INLET DUCT.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |