US2473356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion gas turbine arrangement
Assignee: TURBO ENGINEERING Corp
•
Filing: 1942-04-18
•
Granted: 1949-06-14
•
Expires: 1962-04-18
Abstract
No abstract record available.
Inventors
- 👤 Birmann Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:20
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/08; F02C6/00; F02C6/003; F02C7/36; F05; F05D; F05D2220/00; F05D2220/30; F05D2220/32; F05D2220/324; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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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) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |