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US2221177A
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Assignee: EBEN C IVES
•
Filing: 1937-12-15
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Granted: 1940-11-12
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Expires: 1957-12-15
Abstract
No abstract record available.
Inventors
- 👤 Henry J Berenson
- 👤 Louis N Trudeau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:18
CPC Classifications
B; B65; B65D; B65D15/00; B65D15/02; B65D15/04; B65D15/06; B65D43/00; B65D43/02; B65D43/0202; B65D43/0214; B65D43/0222; B65D51/00; B65D51/18; B65D51/20; B65D2251/00; B65D2251/0003; B65D2251/0006; B65D2251/0018; B65D2251/0068; B65D2251/0093; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/0012; B65D2543/00175; B65D2543/00194; B65D2543/00259; B65D2543/00277; B65D2543/00435; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00527; B65D2543/00537
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-11-12 | 1944-05-13 | 1944-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-12 | 1948-05-13 | 1948-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-12 | 1952-05-13 | 1952-11-12 | $7700.00 | Window Closed / Lapsed |