US2496336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton and method of sealing the flaps thereof
Assignee: Waldorf Paper Products Co
•
Filing: 1944-09-01
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Granted: 1950-02-07
•
Expires: 1964-09-01
Abstract
No abstract record available.
Inventors
- 👤 William J Cupo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:09
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/20; B65D; B65D5/00; B65D5/02; B65D5/0227; Y; Y10; Y10S; Y10S229/00; Y10S229/90
Claims Analysis
Total Claims: 0
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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) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |