US3104044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded pulp articles
Assignee: Diamond National Corp
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Filing: 1961-06-19
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Granted: 1963-09-17
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Expires: 1981-06-19
Abstract
No abstract record available.
Inventors
- 👤 Richard F Reifers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:10
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/34; B65D1/22; B65D1/40; B65D21/00; B65D21/02; B65D21/0233; D; D21; D21J; D21J7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A MOLDED FIBROUS ARTICLE HAVING INCREASED RIGIDITY AND STRENGTH COMPRISING A SUBSTANTIALLY FLAT BOTTOM WALL, SIDE WALLS EXTENDING IN AN UPWARDLY AND OUTWARDLY INCLINED DIRECTION FROM EACH SIDE OF THE BOTTOM WALL THEN OUTWARDLY OF SAID INCLINED DIRECTION TO FORM A PERIPHERAL SHOULDER, THEN UPWARDLY TO FORM UPPER SIDE WALL PORTIONS TERMINATING IN AN UPPER EDGE DEFINING A CONTINUOUS BAND EXTENDING ABOUT THE UPPER PERIPHERY OF SAID ARTICLE, AT LEAST THREE SLOTS IN EACH SAID SIDE WALLS OF THE ARTICLE, EACH SAID SLOT EXTENDING PARTIALLY INTO THE BOTTOM WALL AND PARTIALLY INTO THE SIDE WALL, AND A FLUTED RIB LOCATED BETWEEN EACH PAIR OF SLOTS, SAID RIB EXTENDING FROM SAID BOTTOM WALL AND TERMINATING AT THE TOP AT SAID SHOULDER, EACH OF SAID SLOTS BEING OF A LENGTH OF AT LEAST ABOUT ONE-HALF THE LENGTH OF SAID RIBS.
Claim 2
Dependent Claim
138 words
A MOLDED FIBROUS ARTICLE HAVING INCREASED RIGIDITY AND STRENGTH COMPRISING A SUBSTANTIALLY FLAT BOTTOM WALL, SIDE WALLS EXTENDING IN AN UPWARDLY AND OUTWARDLY INCLINED DIRECTION FROM EACH SIDE OF THE BOTTOM WALL THEN OUTWARDLY OF SAID INCLINED DIRECTION TO FORM A PERIPHERAL SHOULDER, THEN UPWARDLY TO FORM UPPER SIDE WALL PORTIONS TERMINATING IN AN UPPER EDGE DEFINING A CONTINUOUS BAND EXTENDING ABOUT THE UPPER PERIPHERY OF SAID ARTICLE, AT LEAST THREE SLOTS IN EACH SAID SIDE WALLS OF THE ARTICLE, EACH SAID SLOT EXTENDING PARTIALLY INTO THE BOTTOM WALL AND PARTIALLY INTO THE SIDE WALL, AND A FLUTED RIB LOCATED BETWEEN EACH PAIR OF SLOTS, SAID RIB EXTENDING FROM SAID BOTTOM WALL AND TERMINATING AT THE TOP AT SAID SHOULDER, EACH OF SAID SLOTS BEING OF A LENGTH OF AT LEAST ABOUT ONE-HALF THE LENGTH OF SAID RIBS.
References Cited (Backward Citations)
FR359928A
Cited
US1509549A
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US1701238A
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US2348725A
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US2738914A
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US2814427A
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US2889072A
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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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |