US3283249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broadband radio repeater having parallel channels
Assignee: AT&T Inc
•
Filing: 1963-12-23
•
Granted: 1966-11-01
•
Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Mitchell Doren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:05
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/14; H04B7/15; H04B7/155; H04B7/15528; H04B7/15542
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
A BROADBAND RADIO REPEATER COMPRISING AN INPUT CIRCUIT, A BROADBAND POWER AMPLIFIER AND A PLURLAITY OF BRANCHES CONNECTED IN PARALLEL BETWEEN SAID INPUT CIRCUIT AND SAID AMPLIFIER, EACH BRANCH HAVING A BANDPASS FREQUENCY CHARACTERISTIC RESTRICTING TRANSMISSION THERETHROUGH TO A DIFFERENT FREQUENCY RANGE, CONTROL MEANS FOR CONNECTING AND DISCONNECTING THE SIGNAL PATH THROUGH SAID BRANCH, EACH OD SAID CONTROL MEANS CONNECTING THE SIGNAL PATH OF ITS CORRESPONDING BRANCH ONLY DURING INTERVALS OF TIME IN WHICH A SIGNAL IS BEING TRANSMITTED IN THE BANDPASS FREQUENCY RANGE WITHIN WHICH SAID BRANCH TRANSMITS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |