Patent US3619757A successfully refreshed from Google Patents.
US3108262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fault indicating system
Assignee: CLARK CONTROLIER Co
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Filing: 1960-01-05
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Granted: 1963-10-22
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Expires: 1980-01-05
Abstract
No abstract record available.
Inventors
- 👤 Richard T Saba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:47
CPC Classifications
G; G08; G08B; G08B25/00; G08B25/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
AN INDICATING SYSTEM COMPRISING A CONTACT WHOSE POSITION IS TO BE INDICATED; A MAGNETIC AMPLIFIER HAVING A CORE WITH POWER WINDINGS, A FEEDBACK WINDING, A BIAS WINDING, AND A CONTROL WINDING WOUND THEREON; AND INDICATING LAMP; A SOURCE OF ALTERNATING CURRENT; A RECTIFIER FOR EACH POWER WINDING; EACH POWER WINDING AND ITS CORRESPONDING RECTIFIER CONNECTED TO THE SOURCE OF ALTERNATING CURRENT FOR PROVIDING HALFWAVE CURRENTS TO THE POWER WINDINGS; A COMMON POINT OF SAID HALFWAVE CURRENT CIRCUIT; MEANS CONNECTING THE FEEDBACK WINDING AND SAID INDICATOR LAMP BETWEEN SAID COMMON POINT AND SAID SOURCE OF ALTERNATING CURRENT TO PROVIDE A FULLWAVE CURRENT NETWORK PATH TO SAID SOURCE OF ALTERNATING CURRENT; THE BIAS WINDING CONNECTED TO A DIRECT CURRENT SOURCE OF
Claim 2
Dependent Claim
119 words
AN INDICATING SYSTEM COMPRISING A CONTACT WHOSE POSITION IS TO BE INDICATED; A MAGNETIC AMPLIFIER HAVING A CORE WITH POWER WINDINGS, A FEEDBACK WINDING, A BIAS WINDING, AND A CONTROL WINDING WOUND THEREON; AND INDICATING LAMP; A SOURCE OF ALTERNATING CURRENT; A RECTIFIER FOR EACH POWER WINDING; EACH POWER WINDING AND ITS CORRESPONDING RECTIFIER CONNECTED TO THE SOURCE OF ALTERNATING CURRENT FOR PROVIDING HALFWAVE CURRENTS TO THE POWER WINDINGS; A COMMON POINT OF SAID HALFWAVE CURRENT CIRCUIT; MEANS CONNECTING THE FEEDBACK WINDING AND SAID INDICATOR LAMP BETWEEN SAID COMMON POINT AND SAID SOURCE OF ALTERNATING CURRENT TO PROVIDE A FULLWAVE CURRENT NETWORK PATH TO SAID SOURCE OF ALTERNATING CURRENT; THE BIAS WINDING CONNECTED TO A DIRECT CURRENT SOURCE OF
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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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |