Patent US3344369A successfully refreshed from Google Patents.
US3344369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tee-network having single centertapped high-q inductor in its series branches and a low-q inductor in shunt
Assignee: AT&T Inc
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Filing: 1964-06-05
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Granted: 1967-09-26
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Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 Frank R Bies
- 👤 Roger A Sykes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:54
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/46; H03H9/54; H03H9/542
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A TEE-NETWORK COMPRISING A FIRST INDUCTOR HAVING TWO END TERMINALS AND AN INTERMEDIATE TERMINAL AND A SECOND INDUCTOR HAVING ONE TERMINAL CONNECTED TO SAID INTERMEDIATE TERMINAL OF SAID FIRST INDUCTOR, THE PORTION OF SAID FIRST INDUCTOR BETWEEN ONE OF SAID END TERMINALS AND SAID INTERMEDIATE TERMINAL CONSTITUTING ONE SERIES BRANCH OF SAID TEE-NETWORK, THE SECTION OF SAID FIRST INDUCTOR BETWEEN THE OTHER OF SAID END TERMINALS AND SAID INTERMEDIATE TERMINAL CONSTITUTING THE OTHER SERIES BRANCH OF SAID TEE-NETWORK, AND SAID SECOND INDUCTOR CONSTITUTING AT LEAST PART OF THE SHUNT BRANCH OF SAID TEE-NETWORK, SAID SECOND
Claim 2
Dependent Claim
95 words
A TEE-NETWORK COMPRISING A FIRST INDUCTOR HAVING TWO END TERMINALS AND AN INTERMEDIATE TERMINAL AND A SECOND INDUCTOR HAVING ONE TERMINAL CONNECTED TO SAID INTERMEDIATE TERMINAL OF SAID FIRST INDUCTOR, THE PORTION OF SAID FIRST INDUCTOR BETWEEN ONE OF SAID END TERMINALS AND SAID INTERMEDIATE TERMINAL CONSTITUTING ONE SERIES BRANCH OF SAID TEE-NETWORK, THE SECTION OF SAID FIRST INDUCTOR BETWEEN THE OTHER OF SAID END TERMINALS AND SAID INTERMEDIATE TERMINAL CONSTITUTING THE OTHER SERIES BRANCH OF SAID TEE-NETWORK, AND SAID SECOND INDUCTOR CONSTITUTING AT LEAST PART OF THE SHUNT BRANCH OF SAID TEE-NETWORK, SAID SECOND
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |