US3138672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable and compressible multiple contact switch
Assignee: Individual
•
Filing: 1963-03-11
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Granted: 1964-06-23
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Expires: 1983-03-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Bernard Edward Shlesinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:44
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
A MULTIPLE CONTACT SWITCH COMPRISING A CASING HAVING STATIONARY CONTACTS IN THE WALL OF SAID CASING, A ROTATABLE SHAFT SUPPORTED BY SAID CASING, A PLURALITY OF ROTATABLE PLATES MOUNTED ON SAID SHAFT, A PLURALITY OF SPACED SEPARATE, INDIVIDUAL, COAXIAL, CONDUCTIVE, ROTATABLE COILS SUPPORTED BY SAID PLATES, MEANS CONNECTED TO SAID SHAFT FOR ROTATING SAID PLATES AND COILS, AND MEANS CONNECTED TO SAID SHAFT FOR VERTICALLY SHIFTING SAID PLATES AND COMPRESSING SAID COILS, WHEREBY ROTATION OR COMPRESSION OR BOTH OF SAID COILS FROM ONE POSITION TO ANOTHER CHANGES THE ELECTRICAL CIRCUITRY FROM ONE CIRCUIT TO ANOTHER.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |