← Back to Patent Explorer
US3358867A Expired / Lapsed US ⏱️ 0.0 years remaining

Double-walled thermally insulated container

Assignee: Union Carbide Corp
•
Filing: 1965-04-07
•
Granted: 1967-12-19
•
Expires: 1985-04-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ransom P Skinner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 03:39
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0308; F17C2203/032; F17C2203/0345; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0607; F17C2203/0609; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2203/0646; F17C2203/0658; F17C2203/0663; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/03; F17C2260/031; F17C2260/033

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 173 words
A DOUBLE-WALLED, VACUUM-INSULATED CONTAINER WHICH COMPRISES AN INNER VESSEL; AN OUTER JACKET ENCLOSING SAID INNER VESSEL AND SPACED THEREFROM TO PROVIDE AN EVACUATED INSULATION SPACE THEREBETWEEN; A CONDUIT CONNECTED AT OPPOSITE ENDS TO A RIM OF AN OPENING IN SAID OUTER JACKET AND TO A RIM OF AN OPENING IN SAID INNER VESSEL AND EXTENDING THROUGH SUCH SPACE, SAID CONDUIT HAVING SMALLER CROSS-SECTIONAL AREA THAN SAID INNER VESSEL SUCH THAT SAID INSULATION SPACE IS WIDER BETWEEN THE CONDUIT AND OUTER JACKET THAN BETWEEN SAID INNER VESSEL AND SAID OUTER JACKET; A COMPOSITE MULTI-LAYERED INSULATION DISPOSED WITHIN SAID SPACE COMPRISING LOW CONDUCTIVE MATERIAL AND RADIANT HEAT BARRIER MATERIAL; AND A PLURALITY OF LOW CONDUCTIVE, COMPRESSIBLE SPACERS SUBSTANTIALLY UNIFORMLY INTERPOSITIONED IN SAID COMPOSITE MULTI-LAYERED INSULATION ACROSS SAID SPACE IN THE VICINITY OF SAID CONDUIT IN SUPERIMPOSED RELATION TO EACH OTHER AND ALIGNED PARALLEL TO THE CONDUIT LONGITUDINAL AXIS SUCH THAT THE LOW CONDUCTIVE AND RADIANT HEAT BARRIER COMPONENTS OF SAID COMPOSITE MULTI-LAYERED INSULATION ARE UNIFORMLY SEPARATED ACROSS SAID SPACE IN THE VICINITY OF SAID CONDUIT.
Claim 2
Dependent Claim 173 words
A DOUBLE-WALLED, VACUUM-INSULATED CONTAINER WHICH COMPRISES AN INNER VESSEL; AN OUTER JACKET ENCLOSING SAID INNER VESSEL AND SPACED THEREFROM TO PROVIDE AN EVACUATED INSULATION SPACE THEREBETWEEN; A CONDUIT CONNECTED AT OPPOSITE ENDS TO A RIM OF AN OPENING IN SAID OUTER JACKET AND TO A RIM OF AN OPENING IN SAID INNER VESSEL AND EXTENDING THROUGH SUCH SPACE, SAID CONDUIT HAVING SMALLER CROSS-SECTIONAL AREA THAN SAID INNER VESSEL SUCH THAT SAID INSULATION SPACE IS WIDER BETWEEN THE CONDUIT AND OUTER JACKET THAN BETWEEN SAID INNER VESSEL AND SAID OUTER JACKET; A COMPOSITE MULTI-LAYERED INSULATION DISPOSED WITHIN SAID SPACE COMPRISING LOW CONDUCTIVE MATERIAL AND RADIANT HEAT BARRIER MATERIAL; AND A PLURALITY OF LOW CONDUCTIVE, COMPRESSIBLE SPACERS SUBSTANTIALLY UNIFORMLY INTERPOSITIONED IN SAID COMPOSITE MULTI-LAYERED INSULATION ACROSS SAID SPACE IN THE VICINITY OF SAID CONDUIT IN SUPERIMPOSED RELATION TO EACH OTHER AND ALIGNED PARALLEL TO THE CONDUIT LONGITUDINAL AXIS SUCH THAT THE LOW CONDUCTIVE AND RADIANT HEAT BARRIER COMPONENTS OF SAID COMPOSITE MULTI-LAYERED INSULATION ARE UNIFORMLY SEPARATED ACROSS SAID SPACE IN THE VICINITY OF SAID CONDUIT.

References Cited (Backward Citations)

US1215064A Cited
US1956323A Cited
US3007596A Cited
FR1299395A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-12-18 1971-06-19 1971-12-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-12-18 1975-06-19 1975-12-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-12-18 1979-06-19 1979-12-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag