US2523488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding box
Assignee: NAT FOLDING BOX Co Inc
•
Filing: 1946-06-08
•
Granted: 1950-09-26
•
Expires: 1966-06-08
Abstract
No abstract record available.
Inventors
- 👤 Marshall I Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:50
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/0227
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2187304A
Cited
US1506208A
Cited
US1723150A
Cited
US1921150A
Cited
US2025477A
Cited
US2107096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |