US3118301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strain gage for high elongation
Assignee: —
•
Filing: —
•
Granted: 1964-01-21
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Expires: 1981-01-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:56
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2287; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071; Y10T29/49082; Y10T29/49103
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
IN A STRAIN GAUGE, A HELICAL COIL OF RESISTANCE WIRE HAVING A WIRE DIAMETER OF ABOUT ONE MIL AND INTERNAL COIL DIAMETER OF ABOUT ONE MIL, AND ADHESIVE MEANS FOR SECURING EACH CONVOLUTION OF THE COIL TO THE MATERIAL TO BE TESTED SO THAT THE COIL IS IN AN UNSTRESSED CONDITION.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |