US3307266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for measuring the thickness of a laminar layer
Assignee: BRAUSON INSTR Inc
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Filing: 1965-03-11
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Granted: 1967-03-07
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Expires: 1985-03-11
Abstract
No abstract record available.
Inventors
- 👤 Henry F Miserocchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:43
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/06; G01B7/10; G01B7/105; G01N; G01N3/00; G01N3/40; G01N2203/00; G01N2203/02; G01N2203/06; G01N2203/0617; G01N2203/0623
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
METHOD OF MEASURING THE THICKNESS OF A LAMINAR LAYER ON MATERIAL, SAID LAYER AND MATERIAL HAVING DIFFERENT SURFACE COMPLIANCES, COMPRISING: APPLYING A MECHANICAL RESONATING PROBE HAVING A CONTACT SURFACE TO SAID LAYER AND CAUSING SAID PROBE TO VIBRATE AT A RESONANT FREQUENCY; APPLYING TO SAID PROBE INCREASING FORCE TO CAUSE SAID CONTACT SURFACE TO INCREASINGLY PENETRATE SAID LAYER; DENOTING THE SHIFT IN RESONANT FREQUENCY OF SAID PROBE AS A FUNCTION OF INCREASING FORCE, AND ESTABLISHING THE DEPTH OF PENETRATION OF SAID CONTACT SURFACE THROUGH SAID LAYER INTO SAID MATERIAL UPON
Claim 2
Dependent Claim
90 words
METHOD OF MEASURING THE THICKNESS OF A LAMINAR LAYER ON MATERIAL, SAID LAYER AND MATERIAL HAVING DIFFERENT SURFACE COMPLIANCES, COMPRISING: APPLYING A MECHANICAL RESONATING PROBE HAVING A CONTACT SURFACE TO SAID LAYER AND CAUSING SAID PROBE TO VIBRATE AT A RESONANT FREQUENCY; APPLYING TO SAID PROBE INCREASING FORCE TO CAUSE SAID CONTACT SURFACE TO INCREASINGLY PENETRATE SAID LAYER; DENOTING THE SHIFT IN RESONANT FREQUENCY OF SAID PROBE AS A FUNCTION OF INCREASING FORCE, AND ESTABLISHING THE DEPTH OF PENETRATION OF SAID CONTACT SURFACE THROUGH SAID LAYER INTO SAID MATERIAL UPON
References Cited (Backward Citations)
GB817631A
Cited
US3153338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |