US2529667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio-electric transmitting system
Assignee: Societe Francaise Radio Electrique
•
Filing: 1948-01-21
•
Granted: 1950-11-14
•
Expires: 1968-01-21
Abstract
No abstract record available.
Inventors
- 👤 Villem Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:34
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/02; H04B7/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1740833A
Cited
US1751516A
Cited
US1934211A
Cited
US1861462A
Cited
US1766050A
Cited
US1797746A
Cited
US2067432A
Cited
US2019335A
Cited
US2106806A
Cited
US2154923A
Cited
US2253867A
Cited
US2358448A
Cited
US2407260A
Cited
US2303542A
Cited
US2408692A
Cited
US2383126A
Cited
US2413543A
Cited
FR940009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |