US3140377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thumbwheel switch having illuminated indicia-bearing facings
Assignee: Chicago Dynamic Industries Inc
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Filing: 1961-05-31
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Granted: 1964-07-07
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Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 Jerry C Koci
- 👤 Stanford M Heide
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:15
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/001; H01H9/00; H01H9/16; H01H9/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A THUMBWHEEL TYPE SWITCH COMPRISING (A) A HOUSING, (B) SAID HOUSING HAVING ON ONE INTERIOR WALL THEREOF A PRINTED CIRCUIT, (C) A THUMBWHEEL CIRCUIT SELECTOR ROTATABLY CARRIED BY AND WITHIN THE HOUSING AND ADAPTED FOR SELECTIVE CONTACT WITH SAID PRINTED CIRCUIT, (D) SAID CIRCUIT SELECTOR HAVING CIRCUMFERENTIALLY SPACED FACINGS PROVIDED WITH INDICIA CUT-OUT PORTIONS, (E) ILLUMINATING MEANS TO THE REAR OF SAID CIRCUMFERENTIAL FACINGS FOR SUCCESSIVELY ILLUMINATING SAID INDICIA SO AS TO INDICATE A SELECTED POINT OF SAID CIRCUIT SELECTOR WITH RESPECT TO SAID PRINTED CIRCUIT, (F) A PLATE SUPPORTING SAID ILLUMINATING MEANS AND ARRANGED IN SAID HOUSING ADJACENT SAID CIRCUIT SELECTOR AND HAVING A CIRCUIT THEREON FOR SAID ILLUMINATING MEANS, (G) AND MEANS CONNECTING SAID PLATE TO SAID HOUSING PERMITTING REMOVAL OF SAID PLATE TOGETHER WITH SAID ILLUMINATING MEANS FROM SAID HOUSING WITHOUT DISTURBING ANY ELECTRIC CIRCUIT CONNECTIONS OF SAID PRINTED CIRCUIT.
Claim 2
Dependent Claim
143 words
A THUMBWHEEL TYPE SWITCH COMPRISING (A) A HOUSING, (B) SAID HOUSING HAVING ON ONE INTERIOR WALL THEREOF A PRINTED CIRCUIT, (C) A THUMBWHEEL CIRCUIT SELECTOR ROTATABLY CARRIED BY AND WITHIN THE HOUSING AND ADAPTED FOR SELECTIVE CONTACT WITH SAID PRINTED CIRCUIT, (D) SAID CIRCUIT SELECTOR HAVING CIRCUMFERENTIALLY SPACED FACINGS PROVIDED WITH INDICIA CUT-OUT PORTIONS, (E) ILLUMINATING MEANS TO THE REAR OF SAID CIRCUMFERENTIAL FACINGS FOR SUCCESSIVELY ILLUMINATING SAID INDICIA SO AS TO INDICATE A SELECTED POINT OF SAID CIRCUIT SELECTOR WITH RESPECT TO SAID PRINTED CIRCUIT, (F) A PLATE SUPPORTING SAID ILLUMINATING MEANS AND ARRANGED IN SAID HOUSING ADJACENT SAID CIRCUIT SELECTOR AND HAVING A CIRCUIT THEREON FOR SAID ILLUMINATING MEANS, (G) AND MEANS CONNECTING SAID PLATE TO SAID HOUSING PERMITTING REMOVAL OF SAID PLATE TOGETHER WITH SAID ILLUMINATING MEANS FROM SAID HOUSING WITHOUT DISTURBING ANY ELECTRIC CIRCUIT CONNECTIONS OF SAID PRINTED CIRCUIT.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |