US2930518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-walled container and method for making same
Assignee: Standard Packaging Corp
•
Filing: 1956-08-29
•
Granted: 1960-03-29
•
Expires: 1976-08-29
Abstract
No abstract record available.
Inventors
- 👤 Charles E Cottrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:37
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/0227; B65D5/0254; B65D5/0281
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US881011A
Cited
US1943074A
Cited
US2068095A
Cited
US2093985A
Cited
US2441445A
Cited
US2490133A
Cited
US2750101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |