US2434596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air eliminator
Assignee: Modine Manufacturing Co
•
Filing: 1944-04-15
•
Granted: 1948-01-13
•
Expires: 1964-04-15
Abstract
No abstract record available.
Inventors
- 👤 Spieth Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:42
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/08; F24D19/082; F24D19/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1783510A
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US1879308A
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US2061605A
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US2064988A
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US2147993A
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US2231501A
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US2323525A
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US2200620A
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US2171707A
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US2252687A
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US2343856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-12 | 1951-07-14 | 1952-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-12 | 1955-07-14 | 1956-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-12 | 1959-07-14 | 1960-01-13 | $7700.00 | Window Closed / Lapsed |