US1085274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharge-vanes for centrifugal compressors.
Assignee: General Electric Co
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Filing: 1912-07-31
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Granted: 1914-01-27
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Expires: 1932-07-31
Abstract
No abstract record available.
Inventors
- 👤 Louis C Loewenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:44
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/441; F04D29/444; F05; F05D; F05D2250/00; F05D2250/50; F05D2250/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1917-01-26 | 1917-07-28 | 1918-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-01-26 | 1921-07-28 | 1922-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-01-26 | 1925-07-28 | 1926-01-27 | $7700.00 | Window Closed / Lapsed |