Patent US3099727A successfully refreshed from Google Patents.
US3099727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic crossbar switch
Assignee: International Standard Electric Corp
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Filing: 1962-01-22
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Granted: 1963-07-30
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Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Hjertstrand Svante Lennart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:09
CPC Classifications
H; H01; H01H; H01H67/00; H01H67/22; H01H67/26; H01H36/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A CROSS BAR SWITCH CONTACT ASSEMBLY COMPRISING A PLURALITY OF FLEXIBLE CONTACT STRIPS OF MAGNETIC MATERIAL ARRANGED IN PARALLEL ROWS IN FIRST AND SECOND PARALLEL PLANES WITH THE CONTACT STRIPS IN ONE PLANE POSITIONED NORMAL TO THE STRIPS IN THE OTHER OF SAID PLANE, CONTACT MEANS POSITIONED BETWEEN THE CONTACT STRIPS OF SAID PLANES AT EACH OF THE CROSSOVER POINTS OF THE CONTACT STRIPS OF ONE PLANE WITH THE CONTACT STRIPS OF THE OTHER PLANE, EACH OF SAID CONTACT MEANS AND ADJACENT PORTIONS OF SAID CONTACT STRIPS DEFINING A SEPARATE MAGNETIC CIRCUIT, AND A SELECTIVELY ENERGIZABLE OPERATING CONDUCTOR EXTENDING LONGITUDINALLY OF EACH OF SAID CONTACT STRIPS FOR GENERATING MAGNETIC FLUX IN THE ASSOCIATED CONTACT STRIP, THE GENERATION OF MAGNETIC FLUX IN ANY CONTACT STRIP IN BOTH OF SAID PLANES ENERGIZING THE SAID MAGNETIC CIRCUIT AT THE CROSSOVER POINT THEREOF TO ESTABLISH ELECTRICAL CONNECTION BETWEEN THE LAST SAID CONTACT STRIPS.
Claim 2
Dependent Claim
149 words
A CROSS BAR SWITCH CONTACT ASSEMBLY COMPRISING A PLURALITY OF FLEXIBLE CONTACT STRIPS OF MAGNETIC MATERIAL ARRANGED IN PARALLEL ROWS IN FIRST AND SECOND PARALLEL PLANES WITH THE CONTACT STRIPS IN ONE PLANE POSITIONED NORMAL TO THE STRIPS IN THE OTHER OF SAID PLANE, CONTACT MEANS POSITIONED BETWEEN THE CONTACT STRIPS OF SAID PLANES AT EACH OF THE CROSSOVER POINTS OF THE CONTACT STRIPS OF ONE PLANE WITH THE CONTACT STRIPS OF THE OTHER PLANE, EACH OF SAID CONTACT MEANS AND ADJACENT PORTIONS OF SAID CONTACT STRIPS DEFINING A SEPARATE MAGNETIC CIRCUIT, AND A SELECTIVELY ENERGIZABLE OPERATING CONDUCTOR EXTENDING LONGITUDINALLY OF EACH OF SAID CONTACT STRIPS FOR GENERATING MAGNETIC FLUX IN THE ASSOCIATED CONTACT STRIP, THE GENERATION OF MAGNETIC FLUX IN ANY CONTACT STRIP IN BOTH OF SAID PLANES ENERGIZING THE SAID MAGNETIC CIRCUIT AT THE CROSSOVER POINT THEREOF TO ESTABLISH ELECTRICAL CONNECTION BETWEEN THE LAST SAID CONTACT STRIPS.
References Cited (Backward Citations)
US1763284A
Cited
US2983792A
Cited
US2915607A
Cited
US2921163A
Cited
US3009998A
Cited
US3002065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |