US2583875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor for axial flow elastic fluid compressors or turbines
Assignee: Svenska Turbinfabriks Ljungstrom AB
•
Filing: 1949-07-13
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Granted: 1952-01-29
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Expires: 1969-07-13
Abstract
No abstract record available.
Inventors
- 👤 Ostmar Frans Eric Osslan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:03
CPC Classifications
F; F01; F01D; F01D3/00; F01D3/04; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2213940A
Cited
US2241782A
Cited
US2369051A
Cited
US2479056A
Cited
US2452782A
Cited
US2483616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |