US3275850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: TDK Micronas GmbH
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Filing: 1964-02-11
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Granted: 1966-09-27
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Expires: 1984-02-11
Abstract
No abstract record available.
Inventors
- 👤 Arseneau Roger Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:38
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/13; H03K17/00; H03K17/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A TIMER COMPRISING AN INPUT CIRCUIT AND AN OUTPUT CIRCUIT HAVING AN RC NETWORK THEREBETWEEN, MEANS COMPRISING A FIRST DIODE FOR ISOLATING A CHARGE BUILT UPON THE CAPACITOR OF SAID RC NETWORK TO PREVENT LEAKAGE INTO SAID INPUT CIRCUIT, MEANS COMPRISING AN ELECTRONIC SWITCHING DIODE FOR PREVENTING A DISCHARGE OF SAID CAPACITOR INTO SAID OUTPUT CIRCUIT WHEN SAID SWITCHING DIODE IS "OFF," MEANS IN SAID INPUT CIRCUIT RESPONSIVE TO EITHER OF TWO INPUT SIGNAL CONDITIONS FOR EITHER DISCHARGING SAID CAPACITOR VIA SAID FIRST DIODE OR CAUSING SAID CAPACITOR TO CHARGE, AND MEANS RESPONSIVE TO AN ACCUMULATION OF A PREDETERMINED CHARGE UPON SAID CAPACITOR FOR TURNING "ON" SAID ELECTRONIC SWITCHING DIODE AND DISCHARGING SAID CAPACITOR INTO SAID OUTPUT CIRCUIT.
Claim 2
Dependent Claim
118 words
A TIMER COMPRISING AN INPUT CIRCUIT AND AN OUTPUT CIRCUIT HAVING AN RC NETWORK THEREBETWEEN, MEANS COMPRISING A FIRST DIODE FOR ISOLATING A CHARGE BUILT UPON THE CAPACITOR OF SAID RC NETWORK TO PREVENT LEAKAGE INTO SAID INPUT CIRCUIT, MEANS COMPRISING AN ELECTRONIC SWITCHING DIODE FOR PREVENTING A DISCHARGE OF SAID CAPACITOR INTO SAID OUTPUT CIRCUIT WHEN SAID SWITCHING DIODE IS "OFF," MEANS IN SAID INPUT CIRCUIT RESPONSIVE TO EITHER OF TWO INPUT SIGNAL CONDITIONS FOR EITHER DISCHARGING SAID CAPACITOR VIA SAID FIRST DIODE OR CAUSING SAID CAPACITOR TO CHARGE, AND MEANS RESPONSIVE TO AN ACCUMULATION OF A PREDETERMINED CHARGE UPON SAID CAPACITOR FOR TURNING "ON" SAID ELECTRONIC SWITCHING DIODE AND DISCHARGING SAID CAPACITOR INTO SAID OUTPUT CIRCUIT.
References Cited (Backward Citations)
US2997601A
Cited
US3106667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |