US2824223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pentode-triode plate-coupled one-shot multivibrator
Assignee: Individual
•
Filing: 1954-03-30
•
Granted: 1958-02-18
•
Expires: 1974-03-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Richardson Phelps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:59
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/04; H03K3/05; H03K3/06; H03K3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2114938A
Cited
US2507211A
Cited
US2410920A
Cited
US2436482A
Cited
US2589254A
Cited
US2556934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |