Patent US1761345A successfully refreshed from Google Patents.
Patent US2273470A successfully refreshed from Google Patents.
US2273470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of lining cartons
Assignee: Wingfoot Corp
•
Filing: 1941-04-08
•
Granted: 1942-02-17
•
Expires: 1961-04-08
Abstract
No abstract record available.
Inventors
- 👤 Charles E Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:20
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/56; B65D5/4204; B31; B31B; B31B2105/00; B31B2120/00; B31B2120/40; B31B2120/408; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1075
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-02-16 | 1945-08-18 | 1946-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-02-16 | 1949-08-18 | 1950-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-02-16 | 1953-08-18 | 1954-02-17 | $7700.00 | Window Closed / Lapsed |