Patent US2608621A successfully refreshed from Google Patents.
US1097259A
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Preventing pulsations in centrifugal compressors.
Assignee: General Electric Co
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Filing: 1913-09-11
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Granted: 1914-05-19
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Expires: 1933-09-11
Abstract
No abstract record available.
Inventors
- 👤 Melach I Nusim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:46
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/08; F01D25/12; Y; Y02; Y02E; Y02E10/00; Y02E10/20
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) | 1917-05-18 | 1917-11-17 | 1918-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-05-18 | 1921-11-17 | 1922-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-05-18 | 1925-11-17 | 1926-05-19 | $7700.00 | Window Closed / Lapsed |