US2518818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier
Assignee: Gardner Board and Carton Co
•
Filing: 1945-06-11
•
Granted: 1950-08-15
•
Expires: 1965-06-11
Abstract
No abstract record available.
Inventors
- 👤 William A Ringler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:58
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/46; B65D5/46008; B65D5/46048; B65D5/02; Y; Y10; Y10S; Y10S229/00; Y10S229/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1535436A
Cited
US736955A
Cited
US1217029A
Cited
GB202503A
Cited
US1493460A
Cited
US1971863A
Cited
US2218360A
Cited
US2179555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |