US3084300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor strain gauge
Assignee: Micro Systems Inc
•
Filing: 1961-02-17
•
Granted: 1963-04-02
•
Expires: 1981-02-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Sanchez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:41
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/16; G01L; G01L1/00; G01L1/18; Y; Y10; Y10S; Y10S29/00; Y10S29/042; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A SEMICONDUCTOR STRAIN SENSITIVE DEVICE COMPRISING, IN COMBINATION: A RELATIVELY THIN ELONGATE CARRIER MEMBER; AND, AN ELONGATE STRAIN ELEMENT OF P TYPE SEMICONDUCTOR MATERIAL HAVING A III! CRYSTALLOGRAPHIC ORIENTATION, THE THERMAL COEFFICIENT OF EXPANSION OF SAID SEMICONDUCTOR MATERIAL BEING A GREATER THAN THAT OF SAID CARRIER MEMBER AT A PREDETERMINED TEMPERATURE, SAID ELEMENT BEING RIGIDLY SECURED TO SAID CARRIED MEMBER AND MAINTAINED THEREBY UNDER A PRE-
Claim 2
Dependent Claim
66 words
A SEMICONDUCTOR STRAIN SENSITIVE DEVICE COMPRISING, IN COMBINATION: A RELATIVELY THIN ELONGATE CARRIER MEMBER; AND, AN ELONGATE STRAIN ELEMENT OF P TYPE SEMICONDUCTOR MATERIAL HAVING A III! CRYSTALLOGRAPHIC ORIENTATION, THE THERMAL COEFFICIENT OF EXPANSION OF SAID SEMICONDUCTOR MATERIAL BEING A GREATER THAN THAT OF SAID CARRIER MEMBER AT A PREDETERMINED TEMPERATURE, SAID ELEMENT BEING RIGIDLY SECURED TO SAID CARRIED MEMBER AND MAINTAINED THEREBY UNDER A PRE-
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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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |