US3074586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shipper container
Assignee: Liquefreeze Co Inc
•
Filing: 1958-10-30
•
Granted: 1963-01-22
•
Expires: 1978-10-30
Abstract
No abstract record available.
Inventors
- 👤 Willard L Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:25
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/38; B65D81/3813; B65D81/3823; Y; Y10; Y10S; Y10S220/00; Y10S220/90; Y10S220/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
AN INSULATED SHIPPER CONTAINER INCLUDING A HOUSING HAVING RIGID, TOP, BOTTOM AND SIDE WALLS, THE TOP WALL BEING CENTRALLY APERTURED, A LIQUID TIGHT LINER THEREFOR OF LESSER DIMENSION BOTH VERTICALLY AND HORIZONTALLY THAN THE INTERIOR OF, AND CONFORMING GENERALLY IN SHAPE TO THE HOUSING, HAVING BOTTOM AND SIDE WALLS ONLY, A PLURALITY OF STIFF, SELF-SUPPORTING, INSULATING, SANDWICH TYPE SLABS LOOSELY CONTAINED IN THE SPACE BETWEEN THE LINER AND HOUSING WALLS, THE SANDWICH PANEL INCLUDING A LIGHT, POROUS, INSULATING CORE BOUNDED ON OPPOSITE SIDES BY RELATIVELY STIFF, SUPPORTING WALLS, A SIMILAR SANDWICH TYPE TOP INSULATING SLAB EXTENDING ACROSS THE OPEN TOP OF THE LINER, LOOSELY RESTING UPON THE SIDE SLABS, CENTRALLY APERTURED IN REGISTER WITH THE CENTRAL APERTURE OF THE TOP, THE TOP SLAB BEING DOWNWARDLY AND OUTWARDLY CHAMFERED TO DEFINE A STORAGE CHAMBER OVERLYING THE SIDE SLABS AND THE PERIPHERAL PORTION OF THE TOP SLAB.
Claim 2
Dependent Claim
145 words
AN INSULATED SHIPPER CONTAINER INCLUDING A HOUSING HAVING RIGID, TOP, BOTTOM AND SIDE WALLS, THE TOP WALL BEING CENTRALLY APERTURED, A LIQUID TIGHT LINER THEREFOR OF LESSER DIMENSION BOTH VERTICALLY AND HORIZONTALLY THAN THE INTERIOR OF, AND CONFORMING GENERALLY IN SHAPE TO THE HOUSING, HAVING BOTTOM AND SIDE WALLS ONLY, A PLURALITY OF STIFF, SELF-SUPPORTING, INSULATING, SANDWICH TYPE SLABS LOOSELY CONTAINED IN THE SPACE BETWEEN THE LINER AND HOUSING WALLS, THE SANDWICH PANEL INCLUDING A LIGHT, POROUS, INSULATING CORE BOUNDED ON OPPOSITE SIDES BY RELATIVELY STIFF, SUPPORTING WALLS, A SIMILAR SANDWICH TYPE TOP INSULATING SLAB EXTENDING ACROSS THE OPEN TOP OF THE LINER, LOOSELY RESTING UPON THE SIDE SLABS, CENTRALLY APERTURED IN REGISTER WITH THE CENTRAL APERTURE OF THE TOP, THE TOP SLAB BEING DOWNWARDLY AND OUTWARDLY CHAMFERED TO DEFINE A STORAGE CHAMBER OVERLYING THE SIDE SLABS AND THE PERIPHERAL PORTION OF THE TOP SLAB.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |