US2493338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Covered box or container
Assignee: Sutherland Paper Co
•
Filing: 1947-04-16
•
Granted: 1950-01-03
•
Expires: 1967-04-16
Abstract
No abstract record available.
Inventors
- 👤 Kenneth T Buttery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:20
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/20; B65D5/26; B65D5/36; B65D5/3607; B65D5/3635; B65D5/3642; B65D5/42; B65D5/64; B65D5/66; B65D5/6626; B65D5/665; B65D5/6661; B65D5/6664; B65D5/6667
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1102445A
Cited
GB286495A
Cited
US1984371A
Cited
US2169065A
Cited
US2160643A
Cited
US2284959A
Cited
US2316701A
Cited
US2369385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |