US2988709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistorized blocking oscillator for telemetering circuits
Assignee: Bendix Corp
•
Filing: 1958-07-31
•
Granted: 1961-06-13
•
Expires: 1978-07-31
Abstract
No abstract record available.
Inventors
- 👤 Herbert K Janssen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:30
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/50; H03K4/54; G; G01; G01D; G01D5/00; G01D5/12; G01D5/243; G01W; G01W1/00; G01W1/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2745012A
Cited
US2854614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |