US2377943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for cooling material
Assignee: Kennedy Van Saun Manufacturing and Engineering Corp
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Filing: 1941-11-07
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Granted: 1945-06-12
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Expires: 1961-11-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:12
CPC Classifications
F; F27; F27D; F27D15/00; F27D15/02; F27D15/0286; B; B01; B01J; B01J6/00; B01J6/001; B01J6/002; F27D9/00; F27D2009/007; F27D2009/0081; F27D2009/0083; F27D2009/0086
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) | 1948-06-11 | 1948-12-11 | 1949-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-11 | 1952-12-11 | 1953-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-11 | 1956-12-11 | 1957-06-12 | $7700.00 | Window Closed / Lapsed |