US2955262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas cell for frequency selective system
Assignee: TDK Micronas GmbH
•
Filing: 1958-02-21
•
Granted: 1960-10-04
•
Expires: 1978-02-21
Abstract
No abstract record available.
Inventors
- 👤 Arditi Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:54
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/26; G; G04; G04F; G04F5/00; G04F5/14; H01; H01S; H01S1/00; H01S1/02; H01S1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2884524A
Cited
US2836722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |