US3019398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical delay line
Assignee: General Electric Co
•
Filing: 1958-12-23
•
Granted: 1962-01-30
•
Expires: 1978-12-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl E Wellman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:34
CPC Classifications
H; H03; H03C; H03C3/00; H03C3/10; H03C3/12; H03C3/18; H01; H01P; H01P9/00; H01P9/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB534201A
Cited
US2387783A
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US2520991A
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US2929132A
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US2837720A
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US2871453A
Cited
US2942333A
Cited
US2894223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |