US2575580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of packaging
Assignee: Individual
•
Filing: 1949-02-14
•
Granted: 1951-11-20
•
Expires: 1969-02-14
Abstract
No abstract record available.
Inventors
- 👤 Edgar F Cadmus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:14
CPC Classifications
B; B65; B65B; B65B27/00; B65B27/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1413064A
Cited
US2276282A
Cited
US2223754A
Cited
US2379935A
Cited
US2350930A
Cited
US2433676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |