US3559467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strain measuring device
Assignee: GSE Inc
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Filing: 1968-10-08
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Granted: 1971-02-02
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Expires: 1988-10-08
Abstract
Abstract A STRAIN MEASURING DEVICE INCLUDING A BODY HAVING A PAIR OF END SECTIONS WITH A STRAIN AMPLIFYING SECTION THEREBETWEEN. THE STRAIN AMPLIFYING SECTION HAS A PLURALITY OF FLEXURE POINTS SUBJECT TO BENDING IN RESPONSE TO LINEAR DISPLACEMENT BETWEEN THE END SECTIONS. SURFACE PORTIONS ADJACENT THE FLEXURE POINTS ARE THEREFORE SUBJECTED TO BENDING STRAIN OF GREATER MAGNITUDE THAN THE AVERAGE LINEAR STRAIN.
Inventors
- 👤 Ismail Macit Gurol
- 👤 Ralph S Shoberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:19
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/04
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |