US2572056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Labeled package
Assignee: Ivers Lee Co
•
Filing: 1946-09-14
•
Granted: 1951-10-23
•
Expires: 1966-09-14
Abstract
No abstract record available.
Inventors
- 👤 Leroy L Salfisberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:16
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; Y; Y10; Y10S; Y10S206/00; Y10S206/823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1434097A
Cited
US1476682A
Cited
US2069335A
Cited
US2257823A
Cited
US2344369A
Cited
US2465172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-22 | 1955-04-23 | 1955-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-22 | 1959-04-23 | 1959-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-22 | 1963-04-23 | 1963-10-23 | $7700.00 | Window Closed / Lapsed |