US2487176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for recovering water from exhaust gas
Assignee: Solar Aircraft Co
•
Filing: 1945-04-24
•
Granted: 1949-11-08
•
Expires: 1965-04-24
Abstract
No abstract record available.
Inventors
- 👤 Paul A Pitt
- 👤 Clarence O Moe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:27
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/0205; F01N3/037; F01N3/038; F01N3/04; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S261/00; Y10S261/54; Y10S55/00; Y10S55/28; Y10S55/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2222930A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |