US3156783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distribution frame
Assignee: Telefonaktiebolaget LM Ericsson AB
•
Filing: 1961-03-28
•
Granted: 1964-11-10
•
Expires: 1981-03-28
Abstract
No abstract record available.
Inventors
- 👤 Alexandersson Harald Valdemar
- 👤 Johannesson Sven Eric Evald
- 👤 Saviharju Jorma Petteri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:57
CPC Classifications
H; H04; H04Q; H04Q1/00; H04Q1/02; H04Q1/14; H04Q1/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A JACK FOR INTERCONNECTION WIRING FRAMES IN TELEPHONE EXCHANGES, SAID JACK COMPRISING A CHANNEL-SHAPED METAL STRIP HAVING ON TWO OPPOSITE INNER WALLS SEVERAL LENGTHWISE STAGGERED PROTRUSIONS CONSTRICTING THE INNER CROSS-SECTIONAL AREA OF THE STRIP AT SAID PROTRUSIONS, WHEREBY UPON INSERTION OF A JUMPER WIRE INTO SAID STRIP AND
Claim 2
Dependent Claim
48 words
A JACK FOR INTERCONNECTION WIRING FRAMES IN TELEPHONE EXCHANGES, SAID JACK COMPRISING A CHANNEL-SHAPED METAL STRIP HAVING ON TWO OPPOSITE INNER WALLS SEVERAL LENGTHWISE STAGGERED PROTRUSIONS CONSTRICTING THE INNER CROSS-SECTIONAL AREA OF THE STRIP AT SAID PROTRUSIONS, WHEREBY UPON INSERTION OF A JUMPER WIRE INTO SAID STRIP AND
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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |