US2450745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial flow compressor
Assignee: Metropolitan Vickers Electrical Co Ltd
•
Filing: 1944-04-06
•
Granted: 1948-10-05
•
Expires: 1964-04-06
Abstract
No abstract record available.
Inventors
- 👤 Baumann Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:00
CPC Classifications
F; F04; F04D; F04D19/00; F04D19/02; F04D19/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1316139A
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US921118A
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US832124A
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US901228A
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US911653A
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US994201A
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US2224519A
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US2284587A
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US2321276A
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US2383385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-05 | 1952-04-05 | 1952-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-05 | 1956-04-05 | 1956-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-05 | 1960-04-05 | 1960-10-05 | $7700.00 | Window Closed / Lapsed |