US3788876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton blanks printed with a heat sealable composition and method thereof
Assignee: Fibreboard Corp
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Filing: 1971-07-16
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Granted: 1974-01-29
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Expires: 1991-07-16
Abstract
Abstract BY EMPLOYING A MIXTURE OF POWDERED POLYETHYLENE AND AN ETHYLENE BASED IONIC POLYMER IN AN AQUEOUS EMULSION A COMPOSITION CAN BE FORMED WHICH CAN BE PRINTED DIRECTLY ON PAPERBOARD WEBS IN THE LOCATIONS OF THE TAB AND FLAP AREAS OF A CARTON BLANK ARE SUBSEQUENTLY CUT THEREFROM WHEREBY A CARTON BLANK IS FORMED WHICH IS COMPATIBLE WITH HIGH SPEED BARRIERMATIC HOT AIR SEALING MACHINES COMMONLY USED FOR FABRICATING AND SEALING POLYETHYLENE COATED CARTON BLANKS.
Inventors
- 👤 D Baker
- 👤 R Yin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:15
CPC Classifications
B; B41; B41M; B41M3/00; B41M3/006; B65; B65D; B65D5/00; B65D5/02; D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/20; D21H19/22; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24595; Y10T428/24603; Y10T428/24802; Y10T428/24843; Y10T428/25; Y10T428/254; Y10T428/31504; Y10T428/31855; Y10T428/3188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |