US2987402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite food package and method of making same
Assignee: Milprint Inc
•
Filing: 1958-07-11
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Granted: 1961-06-06
•
Expires: 1978-07-11
Abstract
No abstract record available.
Inventors
- 👤 Chester W Dold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:53
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/26; B65B; B65B53/00; B65B53/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
THE METHOD OF MAKING A PACKAGE WHICH INCLUDES, PLACING A FOOD PRODUCT ON A HEAT SHRINKABLE FLEXIBLE INNER WRAPPER SECURED TO A PAPERBOARD BLANK AND FOLDING THE WRAPPER OVER SAID PRODUCT TO FORM AN UNSEALED SEAM, FOLDING THE PAPERBOARD BLANK AROUND SAID INNER WRAPPER SO AS TO LEAVE PORTIONS OF THE LATTER EXPOSED, AND APPLYING HEAT TO SAID EXPOSED PORTIONS TO SHRINK THE LATTER AND THEREBY EXPEL AIR THEREFROM.
Claim 2
Independent Claim
69 words
THE METHOD OF MAKING A PACKAGE WHICH INCLUDES, PLACING A FOOD PRODUCT ON A HEAT SHRINKABLE FLEXIBLE INNER WRAPPER SECURED TO A PAPERBOARD BLANK AND FOLDING THE WRAPPER OVER SAID PRODUCT TO FORM AN UNSEALED SEAM, FOLDING THE PAPERBOARD BLANK AROUND SAID INNER WRAPPER SO AS TO LEAVE PORTIONS OF THE LATTER EXPOSED, AND APPLYING HEAT TO SAID EXPOSED PORTIONS TO SHRINK THE LATTER AND THEREBY EXPEL AIR THEREFROM.
References Cited (Backward Citations)
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Cited
US2376583A
Cited
US2333943A
Cited
US2465841A
Cited
US2668403A
Cited
US2865767A
Cited
US2911306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |