US2858225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel and improved packaging process
Assignee: Best Foods Inc
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Filing: 1954-06-16
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Granted: 1958-10-28
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Expires: 1974-06-16
Abstract
No abstract record available.
Inventors
- 👤 Chester M Gooding
- 👤 Melnick Daniel
- 👤 Hans W Vahlteich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:48
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/24; B65D81/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PROCESS OF TREATING A PACKAGE IN WHICH THERE IS SEALED AND WRAPPED A PRODUCT SUSCEPTIBLE TO MICROBIOLOGICAL GROWTH WITH AN AIR POCKET EXISTING BETWEEN THE WRAPPED AND THE PRODUCT AND IN WHICH THE INNER SURFACE OF THE WRAPPER IS IMPREGNATED WITH A FUNGISTAT OF LOW VOLATILITY AT AMBIENT TEMPERATURE COMPRISING SUBJECTING THE PACKAGE TO A TEMPERATURE OF ABOUT 300* TO 600*F., FOR A PERIOD NOT IN EXCESS OF THREE MINUTES, SAID FUNGISTAT BEING HIGHLY VOLATILE AT THE TEMPERATURE TO WHICH IT IS SUBJECTED, THEREBY SUBSTANTAILLY VOLATILIZING THE FUNGISTAT FROM TE WRAPPER, AND CONDENSING AN EFFECTIVE AMOUNT OF FUNGISTANT ON THE COOLER SURFACE OF THE PRODUCT.
Claim 2
Dependent Claim
106 words
A PROCESS OF TREATING A PACKAGE IN WHICH THERE IS SEALED AND WRAPPED A PRODUCT SUSCEPTIBLE TO MICROBIOLOGICAL GROWTH WITH AN AIR POCKET EXISTING BETWEEN THE WRAPPED AND THE PRODUCT AND IN WHICH THE INNER SURFACE OF THE WRAPPER IS IMPREGNATED WITH A FUNGISTAT OF LOW VOLATILITY AT AMBIENT TEMPERATURE COMPRISING SUBJECTING THE PACKAGE TO A TEMPERATURE OF ABOUT 300* TO 600*F., FOR A PERIOD NOT IN EXCESS OF THREE MINUTES, SAID FUNGISTAT BEING HIGHLY VOLATILE AT THE TEMPERATURE TO WHICH IT IS SUBJECTED, THEREBY SUBSTANTAILLY VOLATILIZING THE FUNGISTAT FROM TE WRAPPER, AND CONDENSING AN EFFECTIVE AMOUNT OF FUNGISTANT ON THE COOLER SURFACE OF THE PRODUCT.
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) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |