US2378425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ejector-condenser
Assignee: Individual
•
Filing: 1941-11-22
•
Granted: 1945-06-19
•
Expires: 1961-11-22
Abstract
No abstract record available.
Inventors
- 👤 Murray Henry Lamont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:04
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/14; F04F5/16; F04F5/20; F04F5/22; F04F5/44; F04F5/46; F04F5/467; F28; F28B; F28B3/00; F28B3/04
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) | 1948-06-18 | 1948-12-18 | 1949-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-18 | 1952-12-18 | 1953-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-18 | 1956-12-18 | 1957-06-19 | $7700.00 | Window Closed / Lapsed |