US2483262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase modulation system
Assignee: HARVEY RADIO LAB Inc
•
Filing: 1945-07-12
•
Granted: 1949-09-27
•
Expires: 1965-07-12
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Cosman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:40
CPC Classifications
H; H03; H03C; H03C3/00; H03C3/38; H03C3/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1687225A
Cited
US1964522A
Cited
US1892383A
Cited
US1994048A
Cited
US2027044A
Cited
US2238249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |