Patent US2949827A successfully refreshed from Google Patents.
US2949827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of box blanks from box board
Assignee: Alton Box Board Co
•
Filing: 1958-06-11
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Granted: 1960-08-23
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Expires: 1978-06-11
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Kempen
- 👤 Walter L Newell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:42
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/25; B31B50/252; B31B50/256; B31F; B31F1/00; B31F1/08; B31F1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1488756A
Cited
US1798475A
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US2062086A
Cited
US2085491A
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US2112121A
Cited
US2749523A
Cited
US2765716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |