US3321702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetometer and electrometer utilizing vibrating reeds whose amplitude of vibration is a measure of the field
Assignee: Individual
•
Filing: 1964-06-04
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Granted: 1967-05-23
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Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Tuccinardi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:33
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/165; G01R19/16504; G01R19/16509; G01R33/00; G01R33/02; G01R9/00; G01R9/04; G01R9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN APPARATUS FOR THE MEASUREMENT OF SMALL MAGNETIC OR ELECTRIC FIELD INTENSITIES COMPRISING: (A) FIRST AND SECOND ELECTRICALLY CONDUCTING AND FLEXIBLE REEDS EACH RIGIDLY SUPPORTED AT ONE END AND HAVING THEIR FREE ENDS OVERLAPPING BUT NOT TOUCHING AND DEFLECTABLE EACH TOWARD THE OTHER UNDER THE INFLUENCE OF ATTRACTIVE FORCES CREATED BY A FIELD EXISTING THEREBETWEEN, (B) MEANS FOR GENERATING A STEADY-STATE OSCILLATING FIELD BETWEEN THE OVERLAPPING REEDS HAVING A FREQUENCY EQUAL TO THE MECHANICAL RESONANT FREQUENCY OF THE REEDS THEREBY CAUSING SAID REEDS TO HAVE A COMPONENT OF VIBRATION OF TWICE THEIR MECHANICAL RESONANT FREQUENCY, AND
Claim 2
Independent Claim
96 words
AN APPARATUS FOR THE MEASUREMENT OF SMALL MAGNETIC OR ELECTRIC FIELD INTENSITIES COMPRISING: (A) FIRST AND SECOND ELECTRICALLY CONDUCTING AND FLEXIBLE REEDS EACH RIGIDLY SUPPORTED AT ONE END AND HAVING THEIR FREE ENDS OVERLAPPING BUT NOT TOUCHING AND DEFLECTABLE EACH TOWARD THE OTHER UNDER THE INFLUENCE OF ATTRACTIVE FORCES CREATED BY A FIELD EXISTING THEREBETWEEN, (B) MEANS FOR GENERATING A STEADY-STATE OSCILLATING FIELD BETWEEN THE OVERLAPPING REEDS HAVING A FREQUENCY EQUAL TO THE MECHANICAL RESONANT FREQUENCY OF THE REEDS THEREBY CAUSING SAID REEDS TO HAVE A COMPONENT OF VIBRATION OF TWICE THEIR MECHANICAL RESONANT FREQUENCY, AND
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |