US2436246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-cooled explosion turbine
Assignee: Individual
•
Filing: 1944-10-21
•
Granted: 1948-02-17
•
Expires: 1964-10-21
Abstract
No abstract record available.
Inventors
- 👤 Earl W Braga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:21
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/08; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1858322A
Cited
US1960810A
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US2154481A
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US2019879A
Cited
US2112391A
Cited
US2234767A
Cited
US2289900A
Cited
US2370192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |