US2744723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled temperature fluid flow directing member
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1949-12-06
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Granted: 1956-05-08
•
Expires: 1969-12-06
Abstract
No abstract record available.
Inventors
- 👤 Milton S Roush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:45
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/18; F01D5/181
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE544940C
Cited
DE594931C
Cited
US2407531A
Cited
US2407164A
Cited
GB610737A
Cited
US2565594A
Cited
US2501038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |