US2636345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine combustor having helically directed openings to admit steam and secondary air
Assignee: Babcock and Wilcox Co
•
Filing: 1948-03-19
•
Granted: 1953-04-28
•
Expires: 1968-03-19
Abstract
No abstract record available.
Inventors
- 👤 Zoller Ronald Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:33
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/12; F02C7/14; F02C7/141; F23; F23M; F23M5/00; F23M5/08; F23R; F23R3/00; F23R3/002; F23R3/005; F05; F05D; F05D2250/00; F05D2250/20; F05D2250/25
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US660996A
Cited
GB190426178A
Cited
GB190804129A
Cited
GB190807701A
Cited
US1237877A
Cited
US1840690A
Cited
US1781236A
Cited
US2016921A
Cited
GB463738A
Cited
US2398654A
Cited
US2357301A
Cited
US2402971A
Cited
GB565952A
Cited
US2569446A
Cited
US2464791A
Cited
US2482262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |