Patent US3290446A successfully refreshed from Google Patents.
US3290446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Register position in a multi-stage switching network
Assignee: Individual
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Filing: 1963-08-13
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Granted: 1966-12-06
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Expires: 1983-08-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Ceonzo
- 👤 Stambler Leon
- 👤 Weiss Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:14
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A MULTI-STAGE SWITCHING NETWORK COMPRISING: A PLURALITY OF PRIMARY SWITCHES, EACH OF SAID PRIMARY SWITCHES CONSISTING OF A RECTANGULAR MATRIX OF VERTICALS AND HORIZONTALS; TRANGULAR MATRIX MEANS CONNECTED TO SAID RECTANGULAR MATRIX VERTICALS OF EACH PRIMARY SWITCH FOR CONNECTING ANY TWO OF SAID RECTANGULAR MATRIX VERTICALS BY CLOSING ONE TRIANGULAR MATRIX CROSSPOINT; A PLURALITY OF TRIANGULAR SECONDARY SWITCHES; MEANS FOR CONNECTING EACH OF SAID PRIMARY SWITCHES TO ALL OF THE OTHER PRIMARY STIWCHES THROUGH EACH OF SAID SECONDARY SWITCHES; AND A PLURALITY OF REGISTER MEANS, EACH OF SAID REGISTER MEANS BEING CONNECTED SOLELY TO A RESPECTIVE ONE OF SAID TRIANGULAR SECONDARY SWITCHES FOR ACCEPTING ADDRESS INFORMATION SO THAT CONNECTIONS CAN BE SET UP WITHIN THE NETWORK.
Claim 2
Dependent Claim
116 words
A MULTI-STAGE SWITCHING NETWORK COMPRISING: A PLURALITY OF PRIMARY SWITCHES, EACH OF SAID PRIMARY SWITCHES CONSISTING OF A RECTANGULAR MATRIX OF VERTICALS AND HORIZONTALS; TRANGULAR MATRIX MEANS CONNECTED TO SAID RECTANGULAR MATRIX VERTICALS OF EACH PRIMARY SWITCH FOR CONNECTING ANY TWO OF SAID RECTANGULAR MATRIX VERTICALS BY CLOSING ONE TRIANGULAR MATRIX CROSSPOINT; A PLURALITY OF TRIANGULAR SECONDARY SWITCHES; MEANS FOR CONNECTING EACH OF SAID PRIMARY SWITCHES TO ALL OF THE OTHER PRIMARY STIWCHES THROUGH EACH OF SAID SECONDARY SWITCHES; AND A PLURALITY OF REGISTER MEANS, EACH OF SAID REGISTER MEANS BEING CONNECTED SOLELY TO A RESPECTIVE ONE OF SAID TRIANGULAR SECONDARY SWITCHES FOR ACCEPTING ADDRESS INFORMATION SO THAT CONNECTIONS CAN BE SET UP WITHIN THE NETWORK.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |