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US3156352A
Expired / Lapsed
US
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Multi-compartment package
Assignee: Foremost Dairies Inc
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Filing: 1962-08-06
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Granted: 1964-11-10
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Expires: 1982-08-06
Abstract
No abstract record available.
Inventors
- 👤 Lewis J Hayhurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:30
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/3261; B65D81/3266
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A MULTI-COMPARTMENT PACKAGE COMPRISING: OPPOSED FLEXIBLE SHEET MATERIAL SIDE WALLS SEALED TOGETHER ALONG THEIR END AND LONGITUDINAL EDGES; A TRANSVERSE BREAKAWAY SEAL BETWEEN SAID END EDGES AND EXTENDING FROM ONE LONGITUDINAL EDGE TO THE OTHER TO DIVIDE SAID PACKAGE INTO AT LEAST TWO COMPARTMENTS; EACH OF SAID SIDE WALLS BEING FOLDED UPON ITSELF TO FORM A GENERALLY U-SHAPED PULL
Claim 2
Dependent Claim
59 words
A MULTI-COMPARTMENT PACKAGE COMPRISING: OPPOSED FLEXIBLE SHEET MATERIAL SIDE WALLS SEALED TOGETHER ALONG THEIR END AND LONGITUDINAL EDGES; A TRANSVERSE BREAKAWAY SEAL BETWEEN SAID END EDGES AND EXTENDING FROM ONE LONGITUDINAL EDGE TO THE OTHER TO DIVIDE SAID PACKAGE INTO AT LEAST TWO COMPARTMENTS; EACH OF SAID SIDE WALLS BEING FOLDED UPON ITSELF TO FORM A GENERALLY U-SHAPED PULL
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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |