US2440022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package
Assignee: Ivers Lee Co
•
Filing: 1944-06-29
•
Granted: 1948-04-20
•
Expires: 1964-06-29
Abstract
No abstract record available.
Inventors
- 👤 Leroy L Salfisberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:20
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US490103A
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US1607626A
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US1931762A
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US2142166A
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US2248579A
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US2262111A
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GB525098A
Cited
US2293952A
Cited
US2325673A
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US2339304A
Cited
US2333798A
Cited
US2366886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-20 | 1951-10-20 | 1952-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-20 | 1955-10-20 | 1956-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-20 | 1959-10-20 | 1960-04-20 | $7700.00 | Window Closed / Lapsed |