US3095254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating and recording device
Assignee: Industrial Nucleonics Corp
•
Filing: 1961-07-28
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Granted: 1963-06-25
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Expires: 1981-07-28
Abstract
No abstract record available.
Inventors
- 👤 Henry R Chope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:32
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/16; Y; Y10; Y10S; Y10S73/00; Y10S73/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN A SELF-BALANCING ELECTRICAL INSTRUMENT FOR INDICATING THE VALUE OF A SIGNAL HAVING AN UNKNOWN MAGNITUDE, SAID INSTRUMENT HAVING MEANS FOR COMPARING SAID SIGNAL WITH A REFERENCE SIGNAL AND MEANS INCLUDING MOTOR MEANS RESPONSIVE TO SAID COMPARING MEANS FOR MOVING A MECHANICAL ELEMENT IN A DIRECTION DEPENDENT ON THE DIFFERENCE IN MAGNITUDE BETWEEN SAID UNKNOWN SIGNAL AND SAID REFERENCE SIGNAL, THE IMPROVEMENT COMPRISING MEANS INCLUDING A SOLID STATE CRYSTAL ELEMENT RECEIVING A VARIABLE STRESS ACCORDING TO THE MOVEMENT OF SAID MECHANICAL ELEMENT FOR GENERATING SAID REFERENCE SIGNAL.
Claim 2
Dependent Claim
87 words
IN A SELF-BALANCING ELECTRICAL INSTRUMENT FOR INDICATING THE VALUE OF A SIGNAL HAVING AN UNKNOWN MAGNITUDE, SAID INSTRUMENT HAVING MEANS FOR COMPARING SAID SIGNAL WITH A REFERENCE SIGNAL AND MEANS INCLUDING MOTOR MEANS RESPONSIVE TO SAID COMPARING MEANS FOR MOVING A MECHANICAL ELEMENT IN A DIRECTION DEPENDENT ON THE DIFFERENCE IN MAGNITUDE BETWEEN SAID UNKNOWN SIGNAL AND SAID REFERENCE SIGNAL, THE IMPROVEMENT COMPRISING MEANS INCLUDING A SOLID STATE CRYSTAL ELEMENT RECEIVING A VARIABLE STRESS ACCORDING TO THE MOVEMENT OF SAID MECHANICAL ELEMENT FOR GENERATING SAID REFERENCE SIGNAL.
References Cited (Backward Citations)
US2957115A
Cited
US2925544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |