US3221178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Priority circuit
Assignee: Massachusetts Institute of Technology
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Filing: 1961-04-24
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Granted: 1965-11-30
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Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Ramon L Alonso
- 👤 Robert E Oleksiak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:55
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/46; G06F9/48; G06F9/4806; G06F9/4812; G06F9/4818
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A PRIORITY CIRCUIT COMPRISING A FIRST FERROMAGNETIC CORE, A SECOND FERROMAGNETIC CORE, A WINDING ON SAID SHAFT CORE, HAVING A START, AN INTERMEDIATE POINT, AND AN END, A SECOND WINDING ON SAID SECOND CORE HAVING A BEGINNING, A TAP, AND TERMINATION, A FIRST ELECTRICAL CONNECTION JOININ SAID INTERMEDIATE POINT AND A SAID BEGGINING, A RESISTOR JOINING SAID TAP AND A FIRST POINT OF FIXED POTENTIAL, A CAPACITOR IN PARALLEL WITH SAID RESISTOR, A FIRST TRANSISTOR CONNECTED EMITTER TO SAID FIRST CONNECTION, BASE TO SAID END, AND COLLECTOR TO SAID FIRST POINT, AND A SECOND TRANSISTOR CONNECTED EMITTER TO SAID TAP, BASE TO SAID TERMINATION, AND COLLECTOR TO SAID FIRST POINT, SWITCHING MEANS FOR MOMENTARILY CONNECTING SAID START TO A SECOND POINT OF FIXED POTENTIAL.
Claim 2
Dependent Claim
124 words
A PRIORITY CIRCUIT COMPRISING A FIRST FERROMAGNETIC CORE, A SECOND FERROMAGNETIC CORE, A WINDING ON SAID SHAFT CORE, HAVING A START, AN INTERMEDIATE POINT, AND AN END, A SECOND WINDING ON SAID SECOND CORE HAVING A BEGINNING, A TAP, AND TERMINATION, A FIRST ELECTRICAL CONNECTION JOININ SAID INTERMEDIATE POINT AND A SAID BEGGINING, A RESISTOR JOINING SAID TAP AND A FIRST POINT OF FIXED POTENTIAL, A CAPACITOR IN PARALLEL WITH SAID RESISTOR, A FIRST TRANSISTOR CONNECTED EMITTER TO SAID FIRST CONNECTION, BASE TO SAID END, AND COLLECTOR TO SAID FIRST POINT, AND A SECOND TRANSISTOR CONNECTED EMITTER TO SAID TAP, BASE TO SAID TERMINATION, AND COLLECTOR TO SAID FIRST POINT, SWITCHING MEANS FOR MOMENTARILY CONNECTING SAID START TO A SECOND POINT OF FIXED POTENTIAL.
References Cited (Backward Citations)
US3018389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |