US3085746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Keyboard operated switching unit
Assignee: Unisys Corp
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Filing: 1961-12-28
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Granted: 1963-04-16
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Expires: 1981-12-28
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Pasinski
- 👤 Richard J Jablouski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:26
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/70; H01H13/72; H01H13/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
AN ELECTRICAL SWITCHING UNIT COMPRISING, A SHEET OF ELECTRICAL INSULATING MATERIAL HAVING A MATRIX OF EQUALLY SPACED HOLES ARRANGED IN LONGITUDINAL AND TRANSVERSE ROWS, A PLURALITY OF CONDUCTOR STRIPS ATTACHED TO ONE SIDE OF SAID SHEET AND EXTENDING RESPECTIVELY ALONG THE LONGITUDINAL ROWS OF HOLES, A PLURALITY OF CONTACT CARRYING SPRING FINGERS CARRIED BY AND ELECTRICALLY CONNECTED TO EACH OF SAID CONDUCTOR STRIPS, SAID SPRING FINGERS EXTENDING TRANSVERSELY TO SAID STRIPS WITH THE FREE ENDS IN SPACED RELATION TO THE SAID ONE SIDE OF SAID SHEET, A SECOND PLURALITY OF CONDUCTING STRIPS ATTACHED TO THE OTHER SIDE OF SAID SHEET AND EXTENDING RESPECTIVELY ALONG THE TRANSVERSE ROWS OF THE HOLES, A PLURALITY OF CONTACT CARRYING SPRING FINGERS CARRIED BY AND ELECTRICALLY CONNECTED TO EACH OF SAID SECOND MENTIONED PLURALITY OF CONDUCTING STRIPS, SAID SECOND-MENTIONED SPRING FINGERS EXTENDING IN THE SAME GENERAL DIRECTION AS SAID SECONDMENTIONED CONDUCTING STRIPS LATERALLY THERETO, SAID SECOND-MENTIONED SPRING FINGERS PROJECTING RESPECTIVELY THROUGH SAID HOLES FORMING PARALLEL PAIRS RESPECTIVELY WITH SAID FIRST-MENTIONED SPRING FINGERS ON THE SAID ONE SIDE OF SAID SHEET AND INCLINED THERETO.
Claim 2
Dependent Claim
178 words
AN ELECTRICAL SWITCHING UNIT COMPRISING, A SHEET OF ELECTRICAL INSULATING MATERIAL HAVING A MATRIX OF EQUALLY SPACED HOLES ARRANGED IN LONGITUDINAL AND TRANSVERSE ROWS, A PLURALITY OF CONDUCTOR STRIPS ATTACHED TO ONE SIDE OF SAID SHEET AND EXTENDING RESPECTIVELY ALONG THE LONGITUDINAL ROWS OF HOLES, A PLURALITY OF CONTACT CARRYING SPRING FINGERS CARRIED BY AND ELECTRICALLY CONNECTED TO EACH OF SAID CONDUCTOR STRIPS, SAID SPRING FINGERS EXTENDING TRANSVERSELY TO SAID STRIPS WITH THE FREE ENDS IN SPACED RELATION TO THE SAID ONE SIDE OF SAID SHEET, A SECOND PLURALITY OF CONDUCTING STRIPS ATTACHED TO THE OTHER SIDE OF SAID SHEET AND EXTENDING RESPECTIVELY ALONG THE TRANSVERSE ROWS OF THE HOLES, A PLURALITY OF CONTACT CARRYING SPRING FINGERS CARRIED BY AND ELECTRICALLY CONNECTED TO EACH OF SAID SECOND MENTIONED PLURALITY OF CONDUCTING STRIPS, SAID SECOND-MENTIONED SPRING FINGERS EXTENDING IN THE SAME GENERAL DIRECTION AS SAID SECONDMENTIONED CONDUCTING STRIPS LATERALLY THERETO, SAID SECOND-MENTIONED SPRING FINGERS PROJECTING RESPECTIVELY THROUGH SAID HOLES FORMING PARALLEL PAIRS RESPECTIVELY WITH SAID FIRST-MENTIONED SPRING FINGERS ON THE SAID ONE SIDE OF SAID SHEET AND INCLINED THERETO.
References Cited (Backward Citations)
US2977429A
Cited
US2964740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |