Patent US3140807A successfully refreshed from Google Patents.
US3140807A
Expired / Lapsed
US
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Container
Assignee: BURKE COMMUNICATION INDUSTRIES Inc
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Filing: 1963-04-12
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Granted: 1964-07-14
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Expires: 1983-04-12
Abstract
No abstract record available.
Inventors
- 👤 Bostrom John Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:39
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/22; B65D1/26; B65D1/40; B65D1/42; B65D1/44
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
A CONTAINER OF SELF-SUSTAINING SHEET MATERIAL HAVING A SIDE WALL STRUCTURE CHARACTERIZED BY ALTERNATING INWARDLY AND OUTWARDLY EXTENDING RECESSED AREAS FORMED BY INTERSECTING TRIANGULAR PLANES WHICH IMPART RIGIDITY TO THE SIDE WALLS, SAID RECESSED AREAS FORMING A PLURALITY OF TRIANGULAR SHAPES WITH THEIR BASES AT THE TOP OF SAID CONTAINER AND THEIR APICES TERMINATING IN THE LOWER PART OF SAID CONTAINER AND INTERMEDIATE RECESSED AREAS PRIMARILY IN THE LOWER PART OF SAID CONTAINER FORMED BY INTERSECTING TRIANGULAR PLANES, SAID LAST MENTIONED AREAS TERMINATING IN APICES ADJACENT THE TOP OF THE CONTAINER AND HAVING CURVED EDGES INTERSECTING EACH OTHER NEAR THE BOTTOM OF THE 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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |