US3466575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor delay line
Assignee: RCA Corp
•
Filing: 1965-07-30
•
Granted: 1969-09-09
•
Expires: 1985-07-30
Abstract
No abstract record available.
Inventors
- 👤 Kern K N Chang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:26
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/30; H01; H01P; H01P9/00; H03H11/00; H03H11/02; H03H11/26; H03H11/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2760012A
Cited
US3022472A
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US3008089A
Cited
US3119074A
Cited
US3122655A
Cited
US3321738A
Cited
US3173102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |