US2472062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine casing construction
Assignee: JARVIS C MARBLE
•
Filing: 1944-07-05
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Granted: 1949-06-07
•
Expires: 1964-07-05
Abstract
No abstract record available.
Inventors
- 👤 Boestad Gustav Karl William
- 👤 Nilsson Hans Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:54
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/24; F01D25/246; F05; F05D; F05D2240/00; F05D2240/10; F05D2240/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |