US3130561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation device
Assignee: National Research Corp
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Filing: 1961-11-01
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Granted: 1964-04-28
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Expires: 1981-11-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Milo P Hnilicka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:31
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/001; C; C23; C23C; C23C14/00; C23C14/06; C23C14/14; C23C14/20; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; F17C3/00; F17C3/02; F17C3/08; F17C2203/00; F17C2203/03; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/03; F17C2260/031; F17C2260/033; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
AN INSULATED VESSEL COMPRISING AN INNER CHAMBER TO BE MAINTAINED AT A PREDETERMINED LOW TEMPERATURE BELOW ABOUT 100*K., AN OUTER CHAMBER SPACED FROM SAID INNER CHAMBER AND SELAED TO FORM A VACUUM-TIGHT INSULATION SPACE THEREBETWEEN, AND MEANS FOR MAINTAINING SAID VACUUM-TIGHT INSULATION SPACE AT A PRESSURE LESS THAN 1X10**-5 TORR, SAID MEANS COMPRISING A VACUUMTIGHT CONTAINER HAVING THEREIN AN ADSORBENT MATERIAL ARRANGED IN HEAT EXCHANGE CONTACT WITH SAID INNER CHAMBER SO AS TO BE CODED TO A TEMPERATURE BELOW 400*K., PUMP MEANS FOR REMOVING GASES FROM SAID VACUUM-TIGHT INSULATION SPACE AND COMPRESSING SAID GASSES TO A PRESSURE
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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |