US2522098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio indicating apparatus
Assignee: Individual
•
Filing: 1945-11-13
•
Granted: 1950-09-12
•
Expires: 1965-11-13
Abstract
No abstract record available.
Inventors
- 👤 James V Coste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:34
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/02; H03J1/04; H03J1/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1190115A
Cited
US1693892A
Cited
US1658516A
Cited
US1912263A
Cited
US1989237A
Cited
US2417043A
Cited
US2434250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |