US3239360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for transporting produce under controlled atmosphere
Assignee: AERIFORM Ltd
•
Filing: 1964-04-01
•
Granted: 1966-03-08
•
Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 David A Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:33
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/20; A; A23; A23B; A23B2/00; A23B2/70; A23B2/704; A23B2/7045; A23B2/708; A23B7/00; A23B7/14; A23B7/144; A23B7/148; F; F25; F25D; F25D17/00; F25D17/04; F25D17/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A METHOD OF PROTECTING FRESH FRUITS AND VEGETABLES DURING TRANSPORTTION AGAINST DEGRADATION WHEN ENCLOSED IN A COMPARTMENT, COMPRISING: LOADING FRUITS AND VEGETABLES INTO SAID COMPARTMENT AT ABOUT FIELD TEMPERATURE AND SUBSTANTIALLY ENCLOSING SAID COMPARTMENT AT ATMOSPHERIC PRESSURE AGAINST INGRESS OF ATMOSPHERE; INITIALLY RAPIDLY INTRODUCING INTO SAID COMPARTMENT A VOLUME OF GAS OF THE GROUP CONSISTING OF NITROGEN AND ARGON TO DIFFUSE THROUGHOUT SAID COMPARTMENT TO PURGE RAPIDLY SAID COMPARTMENT AND SAID FRUITS AND VEGETABLES TO REDUCE THE OXYGEN LEVEL IN SAID COMPARTMENT TO THE RANGE OF 1/2% TO 4% WITHIN A TIME PERIOD SUCH THT FURTHER SUBSTANTIAL DEGRADATION OF SAID FRUITS AND VEGETABLES DOES NOT OCCUR; AND THEN OVER AN EXTENDED PERIOD OF TIME DURING TRANSPORT INTRODUCING INTO SID COMPARTMENT, AT VARYING RATES OF FLOW, ADDITIONAL SMALL VOLUMES OF SAID GAS, SAID VARYING RATES OF FLOW BEING SUBSTANTIALLY LESS THAN DURING THE STEP OF INITIALLY RAPIDLY PURGING TO MAINTAIN THE OXYGEN LEVEL IN SAID COMPARTMENT IN THE RANGE OF 1/2% TO 4%, WHILE MAINTINING THE TEMPERATURE OF SAID COMPARTMENT AND FRUITS AND VEGETABLES IN THE RANGE BETWEEN 33* AND 60*F.
Claim 2
Independent Claim
180 words
A METHOD OF PROTECTING FRESH FRUITS AND VEGETABLES DURING TRANSPORTTION AGAINST DEGRADATION WHEN ENCLOSED IN A COMPARTMENT, COMPRISING: LOADING FRUITS AND VEGETABLES INTO SAID COMPARTMENT AT ABOUT FIELD TEMPERATURE AND SUBSTANTIALLY ENCLOSING SAID COMPARTMENT AT ATMOSPHERIC PRESSURE AGAINST INGRESS OF ATMOSPHERE; INITIALLY RAPIDLY INTRODUCING INTO SAID COMPARTMENT A VOLUME OF GAS OF THE GROUP CONSISTING OF NITROGEN AND ARGON TO DIFFUSE THROUGHOUT SAID COMPARTMENT TO PURGE RAPIDLY SAID COMPARTMENT AND SAID FRUITS AND VEGETABLES TO REDUCE THE OXYGEN LEVEL IN SAID COMPARTMENT TO THE RANGE OF 1/2% TO 4% WITHIN A TIME PERIOD SUCH THT FURTHER SUBSTANTIAL DEGRADATION OF SAID FRUITS AND VEGETABLES DOES NOT OCCUR; AND THEN OVER AN EXTENDED PERIOD OF TIME DURING TRANSPORT INTRODUCING INTO SID COMPARTMENT, AT VARYING RATES OF FLOW, ADDITIONAL SMALL VOLUMES OF SAID GAS, SAID VARYING RATES OF FLOW BEING SUBSTANTIALLY LESS THAN DURING THE STEP OF INITIALLY RAPIDLY PURGING TO MAINTAIN THE OXYGEN LEVEL IN SAID COMPARTMENT IN THE RANGE OF 1/2% TO 4%, WHILE MAINTINING THE TEMPERATURE OF SAID COMPARTMENT AND FRUITS AND VEGETABLES IN THE RANGE BETWEEN 33* AND 60*F.
References Cited (Backward Citations)
US334967A
Cited
GB457888A
Cited
US2309007A
Cited
US2569217A
Cited
US2583697A
Cited
US2789059A
Cited
US2894845A
Cited
US2948123A
Cited
US2955940A
Cited
US3107171A
Cited
US3102777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |