US2829501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal power plant utilizing compressed gas as working medium in a closed circuit including a booster compressor
Assignee: D W BURKETT
•
Filing: 1953-08-21
•
Granted: 1958-04-08
•
Expires: 1973-08-21
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Walls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:23
CPC Classifications
F; F02; F02G; F02G1/00; F02G1/04; F02G2244/00; F02G2244/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE313842C
Cited
US1563690A
Cited
GB175986A
Cited
US1600384A
Cited
GB274441A
Cited
GB312589A
Cited
US2404748A
Cited
US2592940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |