US2590797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-pressure drop fluid duct bend
Assignee: General Electric Co
•
Filing: 1950-02-03
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Granted: 1952-03-25
•
Expires: 1970-02-03
Abstract
No abstract record available.
Inventors
- 👤 Anthony C Siciliano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:40
CPC Classifications
F; F16; F16L; F16L43/00; F16L43/001; F16L43/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US562957A
Cited
US1984172A
Cited
US2147431A
Cited
US2216046A
Cited
US2273818A
Cited
US2359579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |