Patent US2437835A successfully refreshed from Google Patents.
US2437835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible carton
Assignee: Marathon Corp
•
Filing: 1944-09-09
•
Granted: 1948-03-16
•
Expires: 1964-09-09
Abstract
No abstract record available.
Inventors
- 👤 Riege Harold
- 👤 Edwin C Siewert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:16
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/64; B65D5/66; B65D5/6626; B65D5/665; B65D5/6661; B65D5/6664; B65D5/6667; B65D5/36; B65D5/3607; B65D5/3635; B65D5/3642
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
NL21482C
Cited
US1130271A
Cited
FR564530A
Cited
US1646665A
Cited
FR38320E
Cited
US2003326A
Cited
US2160643A
Cited
US2369385A
Cited
US2355665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-16 | 1951-09-15 | 1952-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-16 | 1955-09-15 | 1956-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-16 | 1959-09-15 | 1960-03-16 | $7700.00 | Window Closed / Lapsed |