US3245016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature compensated wire strain gage
Assignee: Microdot Inc
•
Filing: 1960-06-15
•
Granted: 1966-04-05
•
Expires: 1980-06-15
Abstract
No abstract record available.
Inventors
- 👤 John D Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:16
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/42; H05B3/48; G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2268; G01L1/2281; G01L1/2287; H01; H01C; H01C10/00; H01C10/10; H01C17/00; H01C17/22; H01C17/232; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
AN UNMOUNTED STRAIN GAGE TEMPERATURE COMPENSATED FOR A PARTICULAR TEST SPECIMEN TO WHICH IT IS TO BE ATTACHED BY WELDING COMPRISING: THE COMBINATION OF A STRAIN RESPONSIVE RESISTANCE FILAMENT COUPLED THROUGH COMPACTIBLE ELECTRICAL INSULATING MATERIAL TO A METALLIC HOUSING ALONG ITS ENTIRE EFFECTIVE LENGTH; SAID COMBINATION HAVING A RESISTANCE CHANGE VERSUS TEMPERATURE OF A VALUE WHICH WILL CANCEL THE DIFFERENCE IN THE EFFECTS OF THE COEFFICIENTS OF EXPANSION OF THE GAGE AND THE TEST SPECIMEN.
Claim 2
Dependent Claim
75 words
AN UNMOUNTED STRAIN GAGE TEMPERATURE COMPENSATED FOR A PARTICULAR TEST SPECIMEN TO WHICH IT IS TO BE ATTACHED BY WELDING COMPRISING: THE COMBINATION OF A STRAIN RESPONSIVE RESISTANCE FILAMENT COUPLED THROUGH COMPACTIBLE ELECTRICAL INSULATING MATERIAL TO A METALLIC HOUSING ALONG ITS ENTIRE EFFECTIVE LENGTH; SAID COMBINATION HAVING A RESISTANCE CHANGE VERSUS TEMPERATURE OF A VALUE WHICH WILL CANCEL THE DIFFERENCE IN THE EFFECTS OF THE COEFFICIENTS OF EXPANSION OF THE GAGE AND THE TEST SPECIMEN.
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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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |