US3108263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Error detecting and indicating system
Assignee: Bendix Corp
•
Filing: 1957-09-10
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Granted: 1963-10-22
•
Expires: 1977-09-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick B Sylvander
- 👤 Robert J Molnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:00
CPC Classifications
G; G01; G01C; G01C17/00; G01C17/02; G01C17/28; G01C17/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN ERROR DETECTING AND INDICATING SYSTEM COMPRISING A SOURCE OF ERROR SIGNAL, A REVERSE BIASED TRANSISTOR AMPLIFIER CONNECTED TO SAID SOURCE AND BIASED TO PASS ONLY ALTERNATE HALF CYCLES OF THE ERROR SIGNAL ABOVE A PREDETERMINED AMPLITUDE AND PROVIDING A VOLTAGE CORRESPONDING THERETO, A SATURABLE REACTOR CONNECTED TO THE OUTPUT OF SAID AMPLIFIER AND A WARNING DEVICE CONNECTED TO SAID SATURABLE REACTOR AND RESPONSIVE TO THE VOLTAGE TO INDICATE AN ERROR SIGNAL.
Claim 2
Dependent Claim
72 words
AN ERROR DETECTING AND INDICATING SYSTEM COMPRISING A SOURCE OF ERROR SIGNAL, A REVERSE BIASED TRANSISTOR AMPLIFIER CONNECTED TO SAID SOURCE AND BIASED TO PASS ONLY ALTERNATE HALF CYCLES OF THE ERROR SIGNAL ABOVE A PREDETERMINED AMPLITUDE AND PROVIDING A VOLTAGE CORRESPONDING THERETO, A SATURABLE REACTOR CONNECTED TO THE OUTPUT OF SAID AMPLIFIER AND A WARNING DEVICE CONNECTED TO SAID SATURABLE REACTOR AND RESPONSIVE TO THE VOLTAGE TO INDICATE AN ERROR SIGNAL.
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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 |