US2916615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio frequency delay line
Assignee: TDK Micronas GmbH
•
Filing: 1957-05-03
•
Granted: 1959-12-08
•
Expires: 1977-05-03
Abstract
No abstract record available.
Inventors
- 👤 Frank J Lundburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:24
CPC Classifications
H; H01; H01P; H01P9/00; H01P9/02; G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/866
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2725474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |