US2592372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine system with means providing for expansion and contraction
Assignee: Allis Chalmers Corp
•
Filing: 1944-11-02
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Granted: 1952-04-08
•
Expires: 1964-11-02
Abstract
No abstract record available.
Inventors
- 👤 Hans A Altorfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:42
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/06
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) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |