US3286145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eddy current apparatus
Assignee: Individual
•
Filing: 1963-11-08
•
Granted: 1966-11-15
•
Expires: 1983-11-08
Abstract
No abstract record available.
Inventors
- 👤 Edward S Silver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:15
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/22; G01D5/225; G01D5/2275
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A FOLLOW-UP POSITIONING SYSTEM COMPRISING IN COMBINATION: ARTICLE POSITIONING MEANS RESPONSIVE TO A SERVO DRIVE SIGNAL; PREPROGRAMMED STORAGE MEANS FOR GENERATING SAID SERVO DRIVE SIGNAL; SAID STORAGE MEANS COMPRISING A CONDUCTIVE PLATE; SAID CONDUCTIVE PLATE HAVING A LONGITUDINAL DISCONTINUITY OF A PREDETERMINED CONFIGURATION; PRIMARY AND SECONDARY COIL MEANS IN COOPERATIVE COUPLING RELATIONSHIP LOCATED ADJACENT SAID PLATE; ONE OF SAID COIL MEANS INCLUDING INDIVIDUAL COIL MEMBERS EXTENDING TRANSVERSE TO SAID DISCONTINUITY; SAID PREDETERMINED CONFIGURATION VARYING IN SAID TRANSVERSE DIRECTION ALONG THE LENGTH OF SAID DISCONTINUITY; THE INSTANTANEOUS LOCATION OF SAID DISCONTINUITY ALONG SAID TRANSVERSE DIRECTION VARYING THE COUPLING CONDITION BETWEEN INDIVIDUAL ONES OF THE COIL MEMBERS OF SAID ONE OF SAID COIL MEANS AND THE OTHER OF SAID COIL MEANS; SAID VARIATION OF COUPLING CONDITION GENERATING SAID SERVO DRIVE SIGNAL; SAID LONGITUDINAL DISCONTINUITY RELATIVELY MOVABLE ALONG SAID LONGITUDINAL DIRECTION, WITH RESPECT TO SAID COIL MEANS; THE INSTANTANEOUS TRANSVERSE LOCATION OF SAID DISCONTINUITY WITH RESPECT TO SAID INDIVIDUAL COIL MEMBERS GENERATING SAID DRIVE SIGNAL IN ACCORDANCE WITH SAID PREDETERMINED DISCONTINUITY CONFIGURATION.
Claim 2
Dependent Claim
169 words
A FOLLOW-UP POSITIONING SYSTEM COMPRISING IN COMBINATION: ARTICLE POSITIONING MEANS RESPONSIVE TO A SERVO DRIVE SIGNAL; PREPROGRAMMED STORAGE MEANS FOR GENERATING SAID SERVO DRIVE SIGNAL; SAID STORAGE MEANS COMPRISING A CONDUCTIVE PLATE; SAID CONDUCTIVE PLATE HAVING A LONGITUDINAL DISCONTINUITY OF A PREDETERMINED CONFIGURATION; PRIMARY AND SECONDARY COIL MEANS IN COOPERATIVE COUPLING RELATIONSHIP LOCATED ADJACENT SAID PLATE; ONE OF SAID COIL MEANS INCLUDING INDIVIDUAL COIL MEMBERS EXTENDING TRANSVERSE TO SAID DISCONTINUITY; SAID PREDETERMINED CONFIGURATION VARYING IN SAID TRANSVERSE DIRECTION ALONG THE LENGTH OF SAID DISCONTINUITY; THE INSTANTANEOUS LOCATION OF SAID DISCONTINUITY ALONG SAID TRANSVERSE DIRECTION VARYING THE COUPLING CONDITION BETWEEN INDIVIDUAL ONES OF THE COIL MEMBERS OF SAID ONE OF SAID COIL MEANS AND THE OTHER OF SAID COIL MEANS; SAID VARIATION OF COUPLING CONDITION GENERATING SAID SERVO DRIVE SIGNAL; SAID LONGITUDINAL DISCONTINUITY RELATIVELY MOVABLE ALONG SAID LONGITUDINAL DIRECTION, WITH RESPECT TO SAID COIL MEANS; THE INSTANTANEOUS TRANSVERSE LOCATION OF SAID DISCONTINUITY WITH RESPECT TO SAID INDIVIDUAL COIL MEMBERS GENERATING SAID DRIVE SIGNAL IN ACCORDANCE WITH SAID PREDETERMINED DISCONTINUITY CONFIGURATION.
References Cited (Backward Citations)
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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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |