Patent US3174080A successfully refreshed from Google Patents.
US3174080A
Expired / Lapsed
US
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Assignee: Lockheed Martin Corp
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Filing: 1961-06-12
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Granted: 1965-03-16
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Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Eldon D Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:35
CPC Classifications
H; H01; H01H; H01H47/00; H01H47/22; H01H47/226
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A RELAY FLIP-FLOP COMPRISING A POLARIZED LATCHING RELAY HAVING A FIRST COIL, A SECOND COIL, A FIRST FIXED ELECTRICAL CONTACT, A SECOND FIXED ELECTICAL CONTACT, AND AN ARMATURE RESPONSIVE TO SAID COILS WITH AN ELECTRICAL CONTACT MOVABLE THEREWITH FOR ALTERNATE CONNECTION WITH SAID FIXED CONTACTS, AN INPUT TERMINAL, AN INPUT CAPACITOR CONNECTED BETWEEN SAID MOVABLE CONTACT AND SAID INPUT TERMINAL, AND A TRANSFER CAPACITOR HAVING A FIRST TERMINAL AND A SECOND TERMINAL, SAID FIRST TERMINAL BEING CONNECTED TO ONE SIDE OF SAID FIRST COIL AND SAID SECOND FIXED ELECTRICAL CONTACT, SAID SECOND TERMINAL BEING CONNECTED TO ONE SIDE OF SAID SECOND COIL AND SAID FIRST FIXED ELECTRICAL CONTACT AND THE OTHER SIDES OF SAID FIRST AND SECOND COILS BEING ELECTRICALLY CONNECTED TO GROUND, A DIRECT CURRENT PULSE SOURCE, ONE SIDE OF SAID DIRECT CURRENT PULSE SOURCE CONNECTED TO SAID INPUT TERMINAL AND THE OTHER SIDE CONNECTED TO GROUND.
Claim 2
Dependent Claim
148 words
A RELAY FLIP-FLOP COMPRISING A POLARIZED LATCHING RELAY HAVING A FIRST COIL, A SECOND COIL, A FIRST FIXED ELECTRICAL CONTACT, A SECOND FIXED ELECTICAL CONTACT, AND AN ARMATURE RESPONSIVE TO SAID COILS WITH AN ELECTRICAL CONTACT MOVABLE THEREWITH FOR ALTERNATE CONNECTION WITH SAID FIXED CONTACTS, AN INPUT TERMINAL, AN INPUT CAPACITOR CONNECTED BETWEEN SAID MOVABLE CONTACT AND SAID INPUT TERMINAL, AND A TRANSFER CAPACITOR HAVING A FIRST TERMINAL AND A SECOND TERMINAL, SAID FIRST TERMINAL BEING CONNECTED TO ONE SIDE OF SAID FIRST COIL AND SAID SECOND FIXED ELECTRICAL CONTACT, SAID SECOND TERMINAL BEING CONNECTED TO ONE SIDE OF SAID SECOND COIL AND SAID FIRST FIXED ELECTRICAL CONTACT AND THE OTHER SIDES OF SAID FIRST AND SECOND COILS BEING ELECTRICALLY CONNECTED TO GROUND, A DIRECT CURRENT PULSE SOURCE, ONE SIDE OF SAID DIRECT CURRENT PULSE SOURCE CONNECTED TO SAID INPUT TERMINAL AND THE OTHER SIDE CONNECTED TO GROUND.
References Cited (Backward Citations)
US2387616A
Cited
US2954512A
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US2960635A
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US2922087A
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US3009082A
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US2991396A
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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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |