Patent US1738403A successfully refreshed from Google Patents.
Patent US3123773A successfully refreshed from Google Patents.
US3123773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:54
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/10; H04B1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
METHOD OF PREDICTING RADIO FREQUENCY INTERFERENCE IN A PLURALITY OF RECEIVERS BY A PLURALITY OF TRANSMITTERS WHICH COMPRISES THE STEPS OF ELIMINATING TRANSMITTERRECEIVER PAIRS WHICH DO NOT HAVE A CORRESPONDING FREQUENCY, WITHIN A PREDETERMINED TOLERANCE, BETWEEN ONE HARMONIC OF THE TRANSMITTER AND ONE HARMONIC OF THE RECEIVER OF EACH OF SAID PAIRS AND DETERMINING THE SEVERITY OF THE INTERFERENCE BETWEEN THE TRANSMITTER-RECEIVER PAIRS WHICH ARE NOT ELIMINATED.
Claim 2
Dependent Claim
67 words
METHOD OF PREDICTING RADIO FREQUENCY INTERFERENCE IN A PLURALITY OF RECEIVERS BY A PLURALITY OF TRANSMITTERS WHICH COMPRISES THE STEPS OF ELIMINATING TRANSMITTERRECEIVER PAIRS WHICH DO NOT HAVE A CORRESPONDING FREQUENCY, WITHIN A PREDETERMINED TOLERANCE, BETWEEN ONE HARMONIC OF THE TRANSMITTER AND ONE HARMONIC OF THE RECEIVER OF EACH OF SAID PAIRS AND DETERMINING THE SEVERITY OF THE INTERFERENCE BETWEEN THE TRANSMITTER-RECEIVER PAIRS WHICH ARE NOT ELIMINATED.
References Cited (Backward Citations)
US2980330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |