US2883322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preservative cellulosic product for fruits and process of making the same
Assignee: Fort James Corp
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Filing: 1957-05-31
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Granted: 1959-04-21
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Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Francis O Whipple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:23
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/36; B; B65; B65D; B65D81/00; B65D81/24; B65D81/28; D06; D06M; D06M16/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A PRESERVATIVE FIBROUS CELLULOSIC PRODUCT ADAPTED FOR USE IN THE CONTROL OF MOLD GROWTH ON FRUITS AND VEGETABLES COMPRISING AT LEAST ONE SHEET CONTAINING A STABLE AMMONIUM SALT AND AT LEAST ONE OTHER SHEET IN CONTACT THEREWITH CONTAINING AN ALKALINE COMPOUND CAPABLE OF LIBERATING AMMONIA FROM SAID AMMONIUM SALT UPON BRINGING SAID SHEETS IN CONTACT WITH EACH OTHER IN THE PRESENCE OF MOISTURE.
Claim 2
Dependent Claim
63 words
A PRESERVATIVE FIBROUS CELLULOSIC PRODUCT ADAPTED FOR USE IN THE CONTROL OF MOLD GROWTH ON FRUITS AND VEGETABLES COMPRISING AT LEAST ONE SHEET CONTAINING A STABLE AMMONIUM SALT AND AT LEAST ONE OTHER SHEET IN CONTACT THEREWITH CONTAINING AN ALKALINE COMPOUND CAPABLE OF LIBERATING AMMONIA FROM SAID AMMONIUM SALT UPON BRINGING SAID SHEETS IN CONTACT WITH EACH OTHER IN THE PRESENCE OF MOISTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |