US3219254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Egg carton
Assignee: Michigan Carton Co
•
Filing: 1963-01-08
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Granted: 1965-11-23
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Expires: 1983-01-08
Abstract
No abstract record available.
Inventors
- 👤 Charles E Hall
- 👤 Charles E Hook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:35
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/30; B65D85/32; B65D85/327
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
379 words
IN A PAPERBOARD EGG CARBON HAVING TWO PARALLEL ROWS OF EGG RECEIVING CELLS WITH EACH HAVING A CATHEDRAL IN THE BOTTOM OF SAME, SAID CARTON HAVING TWO OPPOSED LONGITUDINAL SIDE WALLS, A PAIR OF BOTTOM PANEL MEMBERS WITH ONE CONNECTED TO THE LOWER EDGE OF ONE OF SAID EDGE WALLS AND THE OTHER CONNECTED TO THE LOWER EDGE OF THE OTHER OF SAID SIDE WALLS, A ONE-PIECE CENTRAL LONGITUDINAL RIDGE MEMBER OF INVERTED V-SHAPE IN TRANSVERSE SECTION, THE SECOND EDGE OF EACH OF SAID BOTTOM MEMBERS BEING CONNECTED TO THE ADJACENT BOTTOM EDGE OF SAID ONE-PIECE CENTRAL LONGITUDINAL RIDGE MEMBER, A PAIR OF UPRIGHT, TALL TRANSVERSE WALLS AT OPPOSITE ENDS OF SAID CARTON EXTENDING THROUGH THE BOTTOM THEREOF, UPRIGHT TRANSVERSE WALLS BETWEEN SAID PAIR OF TALL TRANSVERSE WALLS, AND MEANS JOINING THE UPPER PORTION OF ALL OF SAID TRANSVERSE WALLS TO THE UPPER PORTION OF EACH OF SAID SIDE WALLS, (A) SAID CATHEDRAL BEING LOCATED IN SAID RIDGE PANEL AND BOTTOM PANEL AND SUBSTANTIALLY CENTERED LENGTHWISE OF EACH OF SAID CELLS, (B) SAID CATHEDRAL FALLING SHORT OF REACHING THE TOP OF SAID RIDGE PANEL AND BEING A LITTLE OVER HALFWAY DOWN SAID BOTTOM PANEL, (C) SAID CATHEDRAL HAVING A LONGITUDINAL SLIT FROM ITS TOP TO ITS BOTTOM AND A CROSS-SLIT SUBSTANTIALLY SYMMETRICAL THERETO AT THE JUNCTION OF SAID RIDGE PANEL AND BOTTOM PANEL PORTION, (D) THE UPPER END OF SAID LONGITUDINAL SLIT JOINING A DEEPLY DOWNTURNED END CROSS-SLIT EXTENDING SIDEWISE IN THE RANGE OF APPROXIMATELY TWO-FIFTHS TO THREEFIFTHS THE LENGTH OF SAID CELL WHILE THE LOWER END OF SAID LONGITUDINAL SLIT JOINS A DEEPLY UPTURNED END CROSS-SLIT EXTENDING SIDEWISE IN THE RANGE OF APPROXIMATELY ONE-FOURTH TO ONE-HALF THE LENGTH OF SAID CELL, (E) SAID DOWNTURNED AND UPTURNED SLITS BEING SUBSTANTIALLY SYMMETRICALLY WITH THE ENDS OF SAID LONGITUDINAL SLIT, (F) SAID CROSS-SLIT AT THE JUNCTION OF SAID RIDGE PANEL AND BOTTOM PANEL PORTIONS BEING OF A LENGTH SUBSTANTIALLY INTERMEDIATE OF THE SIDEWISE EXTENSION LENGTH OF SAID DOWNTURNED AND UPTURNED CROSS-SLITS, AND (G) SAID DOWNTURNED SLIT BEING LARGER IN SIDEWISE DIMENSION AND DEEPER THAN SAID UPTURNED SLIT, WHEREBY THE UPTURNED AND DOWNTURNED ENDS CONFORM CLOSELY AND EASILY TO THE CONTOUR OF THE EGGS WHILE PROVIDING HINGE ACTION ABOUT A SHORT HINGE LINE, THEREBY IMMEDIATELY POCKETING AND CUSHIONING AN EGG PLACED THEREON.
Claim 2
Dependent Claim
379 words
IN A PAPERBOARD EGG CARBON HAVING TWO PARALLEL ROWS OF EGG RECEIVING CELLS WITH EACH HAVING A CATHEDRAL IN THE BOTTOM OF SAME, SAID CARTON HAVING TWO OPPOSED LONGITUDINAL SIDE WALLS, A PAIR OF BOTTOM PANEL MEMBERS WITH ONE CONNECTED TO THE LOWER EDGE OF ONE OF SAID EDGE WALLS AND THE OTHER CONNECTED TO THE LOWER EDGE OF THE OTHER OF SAID SIDE WALLS, A ONE-PIECE CENTRAL LONGITUDINAL RIDGE MEMBER OF INVERTED V-SHAPE IN TRANSVERSE SECTION, THE SECOND EDGE OF EACH OF SAID BOTTOM MEMBERS BEING CONNECTED TO THE ADJACENT BOTTOM EDGE OF SAID ONE-PIECE CENTRAL LONGITUDINAL RIDGE MEMBER, A PAIR OF UPRIGHT, TALL TRANSVERSE WALLS AT OPPOSITE ENDS OF SAID CARTON EXTENDING THROUGH THE BOTTOM THEREOF, UPRIGHT TRANSVERSE WALLS BETWEEN SAID PAIR OF TALL TRANSVERSE WALLS, AND MEANS JOINING THE UPPER PORTION OF ALL OF SAID TRANSVERSE WALLS TO THE UPPER PORTION OF EACH OF SAID SIDE WALLS, (A) SAID CATHEDRAL BEING LOCATED IN SAID RIDGE PANEL AND BOTTOM PANEL AND SUBSTANTIALLY CENTERED LENGTHWISE OF EACH OF SAID CELLS, (B) SAID CATHEDRAL FALLING SHORT OF REACHING THE TOP OF SAID RIDGE PANEL AND BEING A LITTLE OVER HALFWAY DOWN SAID BOTTOM PANEL, (C) SAID CATHEDRAL HAVING A LONGITUDINAL SLIT FROM ITS TOP TO ITS BOTTOM AND A CROSS-SLIT SUBSTANTIALLY SYMMETRICAL THERETO AT THE JUNCTION OF SAID RIDGE PANEL AND BOTTOM PANEL PORTION, (D) THE UPPER END OF SAID LONGITUDINAL SLIT JOINING A DEEPLY DOWNTURNED END CROSS-SLIT EXTENDING SIDEWISE IN THE RANGE OF APPROXIMATELY TWO-FIFTHS TO THREEFIFTHS THE LENGTH OF SAID CELL WHILE THE LOWER END OF SAID LONGITUDINAL SLIT JOINS A DEEPLY UPTURNED END CROSS-SLIT EXTENDING SIDEWISE IN THE RANGE OF APPROXIMATELY ONE-FOURTH TO ONE-HALF THE LENGTH OF SAID CELL, (E) SAID DOWNTURNED AND UPTURNED SLITS BEING SUBSTANTIALLY SYMMETRICALLY WITH THE ENDS OF SAID LONGITUDINAL SLIT, (F) SAID CROSS-SLIT AT THE JUNCTION OF SAID RIDGE PANEL AND BOTTOM PANEL PORTIONS BEING OF A LENGTH SUBSTANTIALLY INTERMEDIATE OF THE SIDEWISE EXTENSION LENGTH OF SAID DOWNTURNED AND UPTURNED CROSS-SLITS, AND (G) SAID DOWNTURNED SLIT BEING LARGER IN SIDEWISE DIMENSION AND DEEPER THAN SAID UPTURNED SLIT, WHEREBY THE UPTURNED AND DOWNTURNED ENDS CONFORM CLOSELY AND EASILY TO THE CONTOUR OF THE EGGS WHILE PROVIDING HINGE ACTION ABOUT A SHORT HINGE LINE, THEREBY IMMEDIATELY POCKETING AND CUSHIONING AN EGG PLACED THEREON.
References Cited (Backward Citations)
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US1962296A
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US2755984A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |