FR1228285A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Semiconductor structures for parametric microwave amplifier
Assignee: Maurice-Gilbert-Anat Bernard
•
Filing: 1959-03-11
•
Granted: 1960-08-29
•
Expires: 1979-03-11
Abstract
No abstract record available.
Inventors
- 👤 Maurice-Gilbert-Anat Bernard
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 19:54
CPC Classifications
H; H03; H03F; H03F7/00; H03F7/04; C; C30; C30B; C30B15/00; C30B15/02; C30B15/04; H10; H10D; H10D99/00; H10P; H10P95/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.