Patent USRE27038E successfully refreshed from Google Patents.
USRE27038E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radial turbine blade damping device
Assignee: —
•
Filing: 1969-04-23
•
Granted: 1971-01-26
•
Expires: 1989-04-23
Abstract
Abstract THE BLADES OF A ROTATING ELEMENT WHICH IS SUBJECTED TO HAVING ENERGY IMPARTED TO OR EXTRACTED THEREFROM ARE CONSTRUCTED INTO A PAIR OF AXIALLY SEPARATE SECTIONS ABUTTING AT A BEVELED OR SCARF JOINT FOR EFFECTUATING DAMPING THEREOF.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:15
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/04; F01D5/043; F01D5/045
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |