US2451285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust structure for resiliently mounted engines
Assignee: Solar Aircraft Co
•
Filing: 1943-12-03
•
Granted: 1948-10-12
•
Expires: 1963-12-03
Abstract
No abstract record available.
Inventors
- 👤 William C Heath
- 👤 Paul A Pitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:39
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1805; F01N13/1811; F01N13/1816
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190724104A
Cited
AT59106B
Cited
US1096513A
Cited
US1811816A
Cited
FR737033A
Cited
US2119369A
Cited
US2281195A
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US2242604A
Cited
US2289596A
Cited
US2295907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-12 | 1952-04-12 | 1952-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-12 | 1956-04-12 | 1956-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-12 | 1960-04-12 | 1960-10-12 | $7700.00 | Window Closed / Lapsed |