US3096404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone switchboard patching unit
Assignee: Individual
•
Filing: 1961-08-24
•
Granted: 1963-07-02
•
Expires: 1981-08-24
Abstract
No abstract record available.
Inventors
- 👤 Lawrence J Semon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:39
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/60; H04M3/62; H04M3/42; H04M3/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A SWITCHBOARD PATCHING UNIT FOR CONNECTING AND SUPERVISING A TELEPHONE CALL BETWEEN AN INCOMING CALL PLUG AND AN OUTGOING CALL JACK ON SAID SWITCHBOARD COMPRISING, IN COMBINATION: A HOUSING CIRCUIT MEANS IN SAID HOUSING FOR RECEIVING AND CONNECTING SAID INCOMING CALL PLUG WITH SAID OUTGOING CALL JACK; A SIGNAL MEANS MEANS IN SAID CIRCUIT MEANS CONNECTED TO SAID SIGNAL MEANS TO ENERGIZE SAID SIGNAL MEANS IN RESPONSE TO A CHANGE OF VOLTAGE ACROSS THE TERMINALS OF SAID OUTGOING CALL JACK UPON COMPLETION OF SAID TELEPHONE CALL, SAID HOUSING FURTHER INCLUDING MEANS FOR RECEIVING A DIALING OUT PLUG FROM SAID SWITCHBOARD, SAID CIRCUIT MEANS CONNECTING SAID DIALING OUT PLUG WITH SAID OUTGOING CALL JACK PRIOR TO INSERTION OF SAID INCOMING CALL PLUG IN SAID HOUSING AND BEING RESPONSIVE TO SAID INSERTION OF SAID INCOMING CALL PLUG IN SAID HOUSING TO DISCONNECT SAID DIALING OUT PLUG.
Claim 2
Dependent Claim
144 words
A SWITCHBOARD PATCHING UNIT FOR CONNECTING AND SUPERVISING A TELEPHONE CALL BETWEEN AN INCOMING CALL PLUG AND AN OUTGOING CALL JACK ON SAID SWITCHBOARD COMPRISING, IN COMBINATION: A HOUSING CIRCUIT MEANS IN SAID HOUSING FOR RECEIVING AND CONNECTING SAID INCOMING CALL PLUG WITH SAID OUTGOING CALL JACK; A SIGNAL MEANS MEANS IN SAID CIRCUIT MEANS CONNECTED TO SAID SIGNAL MEANS TO ENERGIZE SAID SIGNAL MEANS IN RESPONSE TO A CHANGE OF VOLTAGE ACROSS THE TERMINALS OF SAID OUTGOING CALL JACK UPON COMPLETION OF SAID TELEPHONE CALL, SAID HOUSING FURTHER INCLUDING MEANS FOR RECEIVING A DIALING OUT PLUG FROM SAID SWITCHBOARD, SAID CIRCUIT MEANS CONNECTING SAID DIALING OUT PLUG WITH SAID OUTGOING CALL JACK PRIOR TO INSERTION OF SAID INCOMING CALL PLUG IN SAID HOUSING AND BEING RESPONSIVE TO SAID INSERTION OF SAID INCOMING CALL PLUG IN SAID HOUSING TO DISCONNECT SAID DIALING OUT PLUG.
References Cited (Backward Citations)
US2952744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |