US3031634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strain gauge
Assignee: Century Geophysical Corp
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Filing: 1960-04-04
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Granted: 1962-04-24
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Expires: 1980-04-04
Abstract
No abstract record available.
Inventors
- 👤 Calvin O Vogt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:27
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/16; G01L; G01L1/00; G01L1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A STRAIN GAUGE COMPRISING A ROD-SHAPED STRAINSENSITIVE SEMICONDUCTOR ELEMENT HAVING WIDTH AND THICKNESS DIMENSIONS OF LESS THAN .01 INCH AND HAVING A LEGHT AT LEAST FIFTY TIMES GREATER THAN THE LARGER OF SAID WIDTH AND THICKNESS DIMENSIONS, AND A PAIR OF TABS, SAID TABS BEING DISPOSED AT THE RESPECTIVE ENDS OF SAID STRAIN-SENSITIVE ELEMENT IN OVERLAPPING RELATION THEREWITH AND BEING FUSED THERETO TO DEFINE OHMCI ELECTRICAL CONTACTS WITH THE RESPECTIVE ENDS OF SAID STRAIN-SENSITIVE ELEMENT, SAID TABS
Claim 2
Dependent Claim
77 words
A STRAIN GAUGE COMPRISING A ROD-SHAPED STRAINSENSITIVE SEMICONDUCTOR ELEMENT HAVING WIDTH AND THICKNESS DIMENSIONS OF LESS THAN .01 INCH AND HAVING A LEGHT AT LEAST FIFTY TIMES GREATER THAN THE LARGER OF SAID WIDTH AND THICKNESS DIMENSIONS, AND A PAIR OF TABS, SAID TABS BEING DISPOSED AT THE RESPECTIVE ENDS OF SAID STRAIN-SENSITIVE ELEMENT IN OVERLAPPING RELATION THEREWITH AND BEING FUSED THERETO TO DEFINE OHMCI ELECTRICAL CONTACTS WITH THE RESPECTIVE ENDS OF SAID STRAIN-SENSITIVE ELEMENT, SAID TABS
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) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |