Patent US3174081A successfully refreshed from Google Patents.
US3174081A
Expired / Lapsed
US
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Logic nor relay circuits
Assignee: Milacron Inc
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Filing: 1962-11-21
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Granted: 1965-03-16
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Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 Lonnie A Burnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:32
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H01; H01H; H01H47/00; H01H47/001
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
173 words
A TOGGLE FLIP-FLOP CIRCUIT COMPRISING IN COMBINATION: (A) A PAIR OF ALTERNATELY CONDITIONABLE LOGIC NOR RELAY CIRCUITS, EACH OF SAID LOGIC CIRCUITS INCLUDING: (1) A PAIR OF NORMALLY OPEN REED CONTACTS, (5) A BIAS WINDING ASSOCIATED WITH SAID CONTACTS AND EFFECTIVE WHEN ENERGIZED TO PRODUCE A MAGNETIC FLUX FIELD TO HOLD SAID CONTACTS CLOSED, (3) MEANS TO MAINTAIN SAID BIAS WINDING ENERGIZED, (4) AN OPPOSITION WINDING ASSOCIATED WITH SAID CONTACTS AND OPERABLE WHEN ENERGIZED TO PRODUCE A MAGNETIC FLUX FIELD OPPOSING THE FLUX FIELD OF SAID BIAS WINDING TO ALLOW SAID CONTACTS TO MOVE TO THE NORMAL CONDITION THEROF, AND (5) A PAIR OF PARALLEL INPUT LEASS CONNECTED TO SAID OPPOSITION WINDING, EACH OF SAID INPUT LEADS OPERABLE TO ENERGIZED SAID OPPOSITION WINDING WHEN A PREDETERMINED ELECTRICAL POTENTIAL IS IMPRESSED THEREON, (B) MEANS TO CONNECT THE CONTACTS OF ONE OF SAID LOGIC CIRCUITS TO ONE OF SAID INPUT LEADS OF THE OTHER OF SAID LOGIC CIRCUITS AND THE CONTACTS OF SAID OTHER LOGIC CIRCUIT TO ONE OF SAID INPUT LEADS OF SAID ONE
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) | 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 |