US2619318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbomachine rotor
Assignee: Sulzer AG
•
Filing: 1947-06-07
•
Granted: 1952-11-25
•
Expires: 1967-06-07
Abstract
No abstract record available.
Inventors
- 👤 Schaer Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:00
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; B; B23; B23P; B23P15/00; B23P15/006; F01D5/02; F01D5/06; F01D5/3007; F05; F05D; F05D2250/00; F05D2250/20; F05D2250/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE123965C
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US138953A
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US1073413A
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US1793468A
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US1967962A
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US2240742A
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US2313413A
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US2415847A
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US2422193A
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US2461402A
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US2436246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |