Patent US2950784A successfully refreshed from Google Patents.
US2950784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instrument damping devices
Assignee: University of Tennessee Research Foundation
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Filing: 1955-09-23
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Granted: 1960-08-30
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Expires: 1975-09-23
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Hertel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:59
CPC Classifications
G; G01; G01G; G01G23/00; G01G23/06; G01G1/00; G01G1/18; G01G1/20
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) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |