US2472440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for fabricating packages
Assignee: Ivers Lee Co
•
Filing: 1946-03-07
•
Granted: 1949-06-07
•
Expires: 1966-03-07
Abstract
No abstract record available.
Inventors
- 👤 Leroy L Salfisberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:53
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/18; B29C51/20; B29C51/22; B29C51/225; B65; B65B; B65B29/00; B65B29/02; B65B29/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1364050A
Cited
FR484911A
Cited
US1598725A
Cited
US2083617A
Cited
US2387812A
Cited
US2336962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |