US2587909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded pulp egg carton
Assignee: Shellmar Products Corp
•
Filing: 1947-02-17
•
Granted: 1952-03-04
•
Expires: 1967-02-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:47
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/30; B65D85/32; B65D85/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1544311A
Cited
US1765964A
Cited
US1975129A
Cited
US2093280A
Cited
US2061064A
Cited
US2078488A
Cited
US2143536A
Cited
US2285129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |