US2942207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multivibrator
Assignee: HP Inc
•
Filing: 1958-07-30
•
Granted: 1960-06-21
•
Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Duane E Dunwoodie
- 👤 Norman B Schrock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:04
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/04; H03K3/05; H03K3/06; H03K3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB535778A
Cited
US2826694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |