US3365307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for minimizing deterioration of plant and animal products
Assignee: AERIFORM Ltd
•
Filing: 1966-01-10
•
Granted: 1968-01-23
•
Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 David A Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:56
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/704; A23B2/708; A23B2/7045; B; B60; B60H; B60H1/00; B60H1/00007; B60H1/00014
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A METHOD OF RETARDING THE DETERIORATIVE DEGRADATION OF PLANT AND ANIMAL MATTER WHICH IS SUBJECT TO SUCH DEGRADATION IN THE PRESENCE OF OXYGEN, COMPRISING: LOADING SAID MATTER INTO A CONTAINER ADAPTED TO THE PASSAGE OF GASES THEREINTO AND THEREFROM, RAPIDLY PURGING SAID COINTAINER OF THE ATMOSPHERE IT CONTAINED ON LOADING BY THE ADMISSION TO SAID CONTAINER OF A PURGE GAS WHICH SUBSTANTIALLY DOES NOT PROMOTE SAID DETERIORATIVE DEGRADATION UNTIL THE OXYGEN CONTENT IN THE COVER ATMOSPHERE IN SAID CONTAINER IS REDUCED TO A PREDETERMINED VALUE WITHIN A RANGE OF FROM ABOUT 1/4% TO ABOUT 5% BY VOLUME OF SAID ATMOSPHERE AND THE BALANCE OF SAID ATMOSPHERE IS SUBSTANTIALLY INERT,
Claim 2
Independent Claim
109 words
A METHOD OF RETARDING THE DETERIORATIVE DEGRADATION OF PLANT AND ANIMAL MATTER WHICH IS SUBJECT TO SUCH DEGRADATION IN THE PRESENCE OF OXYGEN, COMPRISING: LOADING SAID MATTER INTO A CONTAINER ADAPTED TO THE PASSAGE OF GASES THEREINTO AND THEREFROM, RAPIDLY PURGING SAID COINTAINER OF THE ATMOSPHERE IT CONTAINED ON LOADING BY THE ADMISSION TO SAID CONTAINER OF A PURGE GAS WHICH SUBSTANTIALLY DOES NOT PROMOTE SAID DETERIORATIVE DEGRADATION UNTIL THE OXYGEN CONTENT IN THE COVER ATMOSPHERE IN SAID CONTAINER IS REDUCED TO A PREDETERMINED VALUE WITHIN A RANGE OF FROM ABOUT 1/4% TO ABOUT 5% BY VOLUME OF SAID ATMOSPHERE AND THE BALANCE OF SAID ATMOSPHERE IS SUBSTANTIALLY INERT,
References Cited (Backward Citations)
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Cited
US2569217A
Cited
US2789059A
Cited
US2948123A
Cited
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Cited
US3239360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |