Patent US3484725A successfully refreshed from Google Patents.
US3484725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Meander-type wave delay lines
Assignee: Thales SA
•
Filing: 1965-09-17
•
Granted: 1969-12-16
•
Expires: 1985-09-17
Abstract
No abstract record available.
Inventors
- 👤 Walter Sobotka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:09
CPC Classifications
H; H01; H01P; H01P9/00; H01P9/04; H01J; H01J23/00; H01J23/16; H01J23/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2888595A
Cited
US2999182A
Cited
US3181090A
Cited
US3139597A
Cited
US3173111A
Cited
US3387234A
Cited
US3164790A
Cited
US3327255A
Cited
US3254262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |