Patent US3234403A successfully refreshed from Google Patents.
US3234403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monostable inverter employing a negative resistance diode
Assignee: AT&T Inc
•
Filing: 1962-12-14
•
Granted: 1966-02-08
•
Expires: 1982-12-14
Abstract
No abstract record available.
Inventors
- 👤 Charles J N Candy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:00
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/313; H03K3/315
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
APPARATUS COMPRISING A PAIR OF INPUT TERMINALS TO WHICH TRIGGER SIGNALS ARE APPLIED, VOLTAGE CLAMPING MEANS INTERCONNECTING SAID INPUT TERMINALS WITH EACH OTHER, A PAIR OF OUTPUT TERMINALS, ENERGY STORAGE MEANS INTERCONNECTING SAID OUTPUT TERMINALS WITH EACH OTHER FOR TIMING THE RESPONSE OF SAID APPARATUS TO SAID TRIGGER SIGNALS, MEANS, INCLUDING NEGATIVE RESISTANCE MEANS, FOR INTERCONNECTING SAID CLAMPING MEANS WITH SAID ENERGY STORAGE MEANS, AND MEANS, ACTING IN CONCERT WITH SAID CLAMPING MEANS AND SAID ENERGY STORAGE MEANS, FOR BIASING SAID NEGATIVE RESISTANCE MEANS FOR MONOSTABLE OPERATION.
References Cited (Backward Citations)
US3115584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |