US2793743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed package
Assignee: Ivers Lee Co
•
Filing: 1955-04-12
•
Granted: 1957-05-28
•
Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Frank J Lefebvre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:33
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2047745A
Cited
US2175430A
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US2220409A
Cited
US2374026A
Cited
US2344369A
Cited
GB560708A
Cited
US2439584A
Cited
US2465172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |