US3610027A
Expired / Lapsed
US
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Method of determining flexibility of elongate bodies
Assignee: OBERSPREE KABELWERKE VEB K
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Filing: 1968-07-30
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Granted: 1971-10-05
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Expires: 1988-07-30
Abstract
Abstract TO DETERMINE THE FLEXIBILITY OF AN ELONGATE BODY, THE LATTER IS CLAMPED IN A FIXED SUPPORT SO AS TO LEAVE A DEPENDING PORTION OF A GIVEN FREE LENGTH, THIS PORTION BEING THEN SUBJECT TO FORCED OSCILLATIONS TO ASCERTAIN ITS NATURAL FREQUENCY WHEREUPON THE FLEXIBILITY IS CALCULATED AS THE RECIPORCAL OF THE PRODUCT OF NATURAL FREQUENCY TIMES THE SQUARE OFTHE FREE LENGHT.
Inventors
- 👤 Walter Woboditsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:24
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/32; G01N3/34; G01N2203/00; G01N2203/0014; G01N2203/0023
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |