Patent US3185334A successfully refreshed from Google Patents.
US3185334A
Expired / Lapsed
US
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Opacified powdered insulation
Assignee: Airco Inc
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Filing: 1963-07-11
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Granted: 1965-05-25
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Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Francis A Omilian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:31
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/001; F17C2203/00; F17C2203/03; F17C2203/06; F17C2203/0602; F17C2203/0607; F17C2203/0634; F17C2203/0636; F17C2203/0646
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A VESSEL FOR THE STORAGE OF LOW-TEMPERATURE FLUIDS, AN INNER VESSEL FOR HOLDING THE LOW-TEMPERATURE FLUID, AN INSULATION SPACE IN PROMIXITY TO SAID INNER VESSEL, SAID INSULATION SPACE HAVING A VACUUM ENVIRONMENT OF A RANGE FROM 10**-1 TORR TO 10**-6 TORR THEREIN, AN INSULATION POWDER COMPOSED OF INDIVIDUAL PARTICLES OF A MATERIAL HAVING LOW THERMAL CONDUCIVITY RANDOMLY DISTRIBUTED THROUGHOUT SAID INSULATION SPACE, A REFLECTIVE METAL COATING COVERING A SIGNIFICANT PORTION, BUT NOT ALL, OF THE SURFACE AREA OF A SUBSTANTIAL NUMBER OF THE INDIVIDUAL PARTICLES, WHEREBY THE
Claim 2
Dependent Claim
88 words
IN A VESSEL FOR THE STORAGE OF LOW-TEMPERATURE FLUIDS, AN INNER VESSEL FOR HOLDING THE LOW-TEMPERATURE FLUID, AN INSULATION SPACE IN PROMIXITY TO SAID INNER VESSEL, SAID INSULATION SPACE HAVING A VACUUM ENVIRONMENT OF A RANGE FROM 10**-1 TORR TO 10**-6 TORR THEREIN, AN INSULATION POWDER COMPOSED OF INDIVIDUAL PARTICLES OF A MATERIAL HAVING LOW THERMAL CONDUCIVITY RANDOMLY DISTRIBUTED THROUGHOUT SAID INSULATION SPACE, A REFLECTIVE METAL COATING COVERING A SIGNIFICANT PORTION, BUT NOT ALL, OF THE SURFACE AREA OF A SUBSTANTIAL NUMBER OF THE INDIVIDUAL PARTICLES, WHEREBY THE
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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |