US2664240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal compressor rotor vibration damper
Assignee: RTX Corp
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Filing: 1951-03-13
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Granted: 1953-12-29
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Expires: 1971-03-13
Abstract
No abstract record available.
Inventors
- 👤 Willard L Gorton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:24
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/28; F04D29/284; F04D29/285; F01; F01D; F01D5/00; F01D5/02; F01D5/04; F01D5/043; F01D5/045; F16; F16F; F16F15/00; F16F15/10; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10S; Y10S416/00; Y10S416/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |