US3115982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated freight car
Assignee: Liquefreeze Co Inc
•
Filing: 1960-03-18
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Granted: 1963-12-31
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Expires: 1980-03-18
Abstract
No abstract record available.
Inventors
- 👤 Willard L Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:45
CPC Classifications
B; B62; B62D; B62D33/00; B62D33/04; B62D33/048; B61; B61D; B61D27/00; B61D27/0018; B61D27/0027; B62D29/00; B62D29/04; B62D29/043; B62D29/045; Y; Y10; Y10S; Y10S220/00; Y10S220/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN INSULATED CONTAINER INCLUDING AN ELONGATE OPEN WORK BRIDGE FRAME WHICH IS RECTANGULAR IN CROSS-SECTION AND HAVING SMOOTH TRACKS EXTENDING LENGTHWISE THROUGH AT LEAST THE END PORTIONS THEREOF, A PLURALITY OF LENGTHWISE ALIGNED, RECTANGULARLY SHAPED INSULATING SECTIONS IN WHICH THE INTERMEDIATE SECTIONS ARE OPEN AT BOTH ENDS AND WHICH ARE DIMENSIONED TO BE RECEIVED IN FITTING RELATIONSHIP WITHIN SAID FRAME FOR SLIDABLE SUPPORT ON SAID TRACKS IN LENGTHWISE DISPLACEMENT IN THE DIRECTION TOWARDS AND AWAY FROM EACH OTHER TO DEFINE A CONTINUOUS INSULATED TUNNEL THEREBETWEEN WHEN ALIGNED IN END TO END ABUTTING RELATIONSHIP, AND MEANS CONSTANTLY URGING THE ALIGNED RECTANGULARLY SHAPED INSULATING SECTIONS IN THE DIRECTION TOWARDS EACH OTHER TO DEFINE A CONTINUOUS INSULATED SPACE THEREBETWEEN.
Claim 2
Dependent Claim
116 words
AN INSULATED CONTAINER INCLUDING AN ELONGATE OPEN WORK BRIDGE FRAME WHICH IS RECTANGULAR IN CROSS-SECTION AND HAVING SMOOTH TRACKS EXTENDING LENGTHWISE THROUGH AT LEAST THE END PORTIONS THEREOF, A PLURALITY OF LENGTHWISE ALIGNED, RECTANGULARLY SHAPED INSULATING SECTIONS IN WHICH THE INTERMEDIATE SECTIONS ARE OPEN AT BOTH ENDS AND WHICH ARE DIMENSIONED TO BE RECEIVED IN FITTING RELATIONSHIP WITHIN SAID FRAME FOR SLIDABLE SUPPORT ON SAID TRACKS IN LENGTHWISE DISPLACEMENT IN THE DIRECTION TOWARDS AND AWAY FROM EACH OTHER TO DEFINE A CONTINUOUS INSULATED TUNNEL THEREBETWEEN WHEN ALIGNED IN END TO END ABUTTING RELATIONSHIP, AND MEANS CONSTANTLY URGING THE ALIGNED RECTANGULARLY SHAPED INSULATING SECTIONS IN THE DIRECTION TOWARDS EACH OTHER TO DEFINE A CONTINUOUS INSULATED SPACE THEREBETWEEN.
References Cited (Backward Citations)
US447687A
Cited
US2063033A
Cited
US2170637A
Cited
US2889953A
Cited
US2911125A
Cited
US2954892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |