Patent US3137431A successfully refreshed from Google Patents.
US3137431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blank for making fibre container
Assignee: Primerica Inc
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Filing: 1962-11-19
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Granted: 1964-06-16
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Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 Crouse Earl Myron
- 👤 Spaulding Harold Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:27
CPC Classifications
B; B65; B65D; B65D3/00; B65D3/22; B65D3/02; B65D3/10; B65D3/12; B65D3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A BLANK FOR A NESTABLE CONTAINER, POLYGONAL IN TRANSVERSE CROSS-SECTION COMPRISING: A FIBRE SHEET HAVING SIDE EDGES AND A LEADING AND TRAILING EDGE EXTENDING BETWEEN SAID SIDE EDGES; SAID SIDE EDGES BEING SUBSTANTIALLY STRAIGHT AND CONVERGING TOWARD SAID TRAILING EDGE, WHEREBY SAID TRAILING EDGE IS SHORTER THAN SAID LEADING EDGE; EACH OF SAID LEADING AND TRAILING EDGES HAVING A PLURALITY OF ALTERNATING STRAIGHT LINES AND ARCS, SAID STRAIGHT LINES BEING PARALLEL AND OPPOSITE, AND SAID ARCS BEING CONCENTRIC AND OPPOSITE, SAID LEADING EDGE ADAPTED TO BE CURLED TO FORM A PERIPHERAL BEAD SURROUNDING THE MOUTH OF THE CONTAINER AND THE SAID TRAILING EDGE ADAPTED TO TO BE TURNED INWARDLY TO SECUR A BOTTOM TO SAID CONTAINER.
Claim 2
Dependent Claim
116 words
A BLANK FOR A NESTABLE CONTAINER, POLYGONAL IN TRANSVERSE CROSS-SECTION COMPRISING: A FIBRE SHEET HAVING SIDE EDGES AND A LEADING AND TRAILING EDGE EXTENDING BETWEEN SAID SIDE EDGES; SAID SIDE EDGES BEING SUBSTANTIALLY STRAIGHT AND CONVERGING TOWARD SAID TRAILING EDGE, WHEREBY SAID TRAILING EDGE IS SHORTER THAN SAID LEADING EDGE; EACH OF SAID LEADING AND TRAILING EDGES HAVING A PLURALITY OF ALTERNATING STRAIGHT LINES AND ARCS, SAID STRAIGHT LINES BEING PARALLEL AND OPPOSITE, AND SAID ARCS BEING CONCENTRIC AND OPPOSITE, SAID LEADING EDGE ADAPTED TO BE CURLED TO FORM A PERIPHERAL BEAD SURROUNDING THE MOUTH OF THE CONTAINER AND THE SAID TRAILING EDGE ADAPTED TO TO BE TURNED INWARDLY TO SECUR A BOTTOM TO SAID CONTAINER.
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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |