US3330997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Symmetrically triggerable bistable relay circuit
Assignee: Lanteris Space LLC
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Filing: 1964-12-02
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Granted: 1967-07-11
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Buran I Keprta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:55
CPC Classifications
H; H01; H01H; H01H47/00; H01H47/001; H02; H02K; H02K3/00; H02K3/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN COMBINATION: A RELAY HAVING A FIELD COIL AND AN ARMATURE, SAID ARMATURE BEING CONNECTED TO ONE TERMINAL OF SAID FIELD COIL, SAID ARMATURE BEING ARRANGED TO CONTACT A FIRST TERMINAL WHEN SAID RELAY IS UNENERGIZED AND A SECOND TERMINAL WHEN SAID RELAY IS ENERGIZED, A FIRST RESISTIVE IMPEDANCE CONNECTED BETWEEN THE COMMON TERMINAL OF SAID FIELD COIL AND SAID ARMATURE AND A REFERENCE POTENTIAL POINT, THE OTHER TERMINAL OF SAID FIELD COIL BEING CONNECTED TO A VOLTAGE SOURCE, SAID FIRST TERMINAL BEING CONNECTED TO A VOLTAGE SOURCE VIA A SECOND RESISTIVE IMPEDANCE, SAID SECOND TERMINAL BEING CONNECTED TO A REFERENCE POTENTIAL POINT VIA A THIRD RESISTIVE IMPEDANCE PARALLELED BY A CAPACITOR, AND MEANS FOR SELECTIVELY CONNECTING SAID FIRST TERMINAL TO SAID SECOND TERMINAL.
Claim 2
Dependent Claim
124 words
IN COMBINATION: A RELAY HAVING A FIELD COIL AND AN ARMATURE, SAID ARMATURE BEING CONNECTED TO ONE TERMINAL OF SAID FIELD COIL, SAID ARMATURE BEING ARRANGED TO CONTACT A FIRST TERMINAL WHEN SAID RELAY IS UNENERGIZED AND A SECOND TERMINAL WHEN SAID RELAY IS ENERGIZED, A FIRST RESISTIVE IMPEDANCE CONNECTED BETWEEN THE COMMON TERMINAL OF SAID FIELD COIL AND SAID ARMATURE AND A REFERENCE POTENTIAL POINT, THE OTHER TERMINAL OF SAID FIELD COIL BEING CONNECTED TO A VOLTAGE SOURCE, SAID FIRST TERMINAL BEING CONNECTED TO A VOLTAGE SOURCE VIA A SECOND RESISTIVE IMPEDANCE, SAID SECOND TERMINAL BEING CONNECTED TO A REFERENCE POTENTIAL POINT VIA A THIRD RESISTIVE IMPEDANCE PARALLELED BY A CAPACITOR, AND MEANS FOR SELECTIVELY CONNECTING SAID FIRST TERMINAL TO SAID SECOND TERMINAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |