US3025467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means of measuring carrier frequency of modulated signal
Assignee: Individual
•
Filing: 1959-05-26
•
Granted: 1962-03-13
•
Expires: 1979-05-26
Abstract
No abstract record available.
Inventors
- 👤 Gewirtz Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:33
CPC Classifications
G; G01; G01R; G01R29/00; G01R29/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1982340A
Cited
US2291715A
Cited
US2309481A
Cited
US2539673A
Cited
US2519765A
Cited
US2798952A
Cited
US2705282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |