US3050249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio interference calculator
Assignee: Individual
•
Filing: 1958-11-24
•
Granted: 1962-08-21
•
Expires: 1978-11-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Awramik
- 👤 Wayne M Jewett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:27
CPC Classifications
G; G06; G06G; G06G1/00; G06G1/0005; G06G1/0036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1435512A
Cited
US1461138A
Cited
US2325761A
Cited
GB190307081A
Cited
US1145020A
Cited
GB541625A
Cited
US2638272A
Cited
US2617591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |