Patent US3103601A successfully refreshed from Google Patents.
US3103601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency
Assignee: —
•
Filing: —
•
Granted: 1963-09-10
•
Expires: 1980-09-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:50
CPC Classifications
H; H04; H04Q; H04Q1/00; H04Q1/18; H04Q1/30; H04Q1/44; H04Q1/444; H04Q1/45; H04Q1/453
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
FREQUENCY SELECTIVE ATTENUATING APPARATUS COMPRISING AT LEAST FIRST AND SECOND SIGNAL TRANSLATING CHANNELS HAVING A COMMON INPUT AND SEPARATE OUTPUT TERMINALS, A BAND ELIMINATION FILTER CONNECTED IN EACH OF SAID CHANNELS, THE REJECTION BAND OF EACH OF SAID FILTERS OCCUPYING A DIFFERENT PORTION OF THE FREQUENCY SPECTRUM, AND SEPARATE TRANSMISSION MEANS CONTROLLED BY ENERGY TRANSLATED THROUGH ANY ONE OF SAID CHANNELS FOR REGULATING ENERGY IN THE REMAINDER OF SAID CHANNELS, SAID TRANSMISSION MEANS INCLUDING CIRCUIT MEANS FOR APPLYING SIGNALS INDUCED AT THE OUTPUT TERMINALS OF ANY OF SAID CHANNELS TO THE OTHERS OF SAID CHANNELS IN LIKE PHASE WITH SIGNALS APPLIED TO SAID INPUT TERMINALS.
Claim 2
Dependent Claim
105 words
FREQUENCY SELECTIVE ATTENUATING APPARATUS COMPRISING AT LEAST FIRST AND SECOND SIGNAL TRANSLATING CHANNELS HAVING A COMMON INPUT AND SEPARATE OUTPUT TERMINALS, A BAND ELIMINATION FILTER CONNECTED IN EACH OF SAID CHANNELS, THE REJECTION BAND OF EACH OF SAID FILTERS OCCUPYING A DIFFERENT PORTION OF THE FREQUENCY SPECTRUM, AND SEPARATE TRANSMISSION MEANS CONTROLLED BY ENERGY TRANSLATED THROUGH ANY ONE OF SAID CHANNELS FOR REGULATING ENERGY IN THE REMAINDER OF SAID CHANNELS, SAID TRANSMISSION MEANS INCLUDING CIRCUIT MEANS FOR APPLYING SIGNALS INDUCED AT THE OUTPUT TERMINALS OF ANY OF SAID CHANNELS TO THE OTHERS OF SAID CHANNELS IN LIKE PHASE WITH SIGNALS APPLIED TO SAID INPUT TERMINALS.
References Cited (Backward Citations)
US2771518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |