US2863116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for automatic recording of the logarithmic decrement and the frequency of oscillations with increasing or decreasing amplitude
Assignee: Individual
•
Filing: 1955-02-08
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Granted: 1958-12-02
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Expires: 1975-02-08
Abstract
No abstract record available.
Inventors
- 👤 Olsson Carl Olof
- 👤 Orlik-Ruckemann Kazimierz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:43
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/20; G01R13/208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2403983A
Cited
US2605332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |