Patent US3152228A successfully refreshed from Google Patents.
US3152228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch for progressively connecting circuits in parallel
Assignee: Collins Radio Co
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Filing: 1961-08-28
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Granted: 1964-10-06
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Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel L Broadhead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:05
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN A SWITCH FOR PROGRESSIVELY CONNECTING MULTIPLE INDIVIDUAL CIRCUITS IN PARALLEL, FIRST AND SECOND RELATIVELY MOVABLE SWITCH ELEMENTS OF SUBSTANTIALLY NONCONDUCTIVE MATERIAL, STRUCTURAL MEANS INTERCONNECTING AND GUIDING RELATIVE SWITCHING MOVEMENT BETWEEN SAID FIRST AND SECOND SWITCH ELEMENTS, A MULTIPLICITY OF PLATES OF CONDUCTIVE MATERIAL MOUNTED ON SAID FIRST SWITCH ELEMENT IN PARALLEL SPACED PLANES WHICH ARE ALSO PARALLEL TO THE DIRECTION OF RELATIVE MOVEMENT BETWEEN SAID FIRST AND SECOND SWITCH ELEMENTS, SAID PLATES IN EACH PLANE BEING IN SPACED INSULATED RELATION IN THE DIRECTION OF MOVEMENT, VARIOUS OF THE INDIVIDUAL PLATES OF ONE PLANE OVERLAPPING PORTIONS OF TWO ADJACENT SPACED PLATES RESPECTIVELY OF THE SECOND PLANE, A MULTIPLICITY OF ELECTRICAL CONTACT WIPERS MOUNTED ON SAID SECOND SWITCH ELEMENT, SAID MULTIPLE INDIVIDUAL CIRCUITS BEING CONNECTED TO RESPECTIVE WIPERS, INDIVIDUAL WIPERS BEING EQUIPPED WITH TWO WIPER ARMS, ONE OF SAID ARMS BEING POSITIONED TO ENGAGE PLATES IN ONE OF SAID PARALLEL SPACED PLANES, AND THE OTHER ARM BEING POSITIONED TO ENGAGE PLATES IN THE OTHER OF SAID PARALLEL SPACED PLANES, AND VARIOUS SAID INDIVIDUAL WIPERS BEING MEANS
Claim 2
Dependent Claim
175 words
IN A SWITCH FOR PROGRESSIVELY CONNECTING MULTIPLE INDIVIDUAL CIRCUITS IN PARALLEL, FIRST AND SECOND RELATIVELY MOVABLE SWITCH ELEMENTS OF SUBSTANTIALLY NONCONDUCTIVE MATERIAL, STRUCTURAL MEANS INTERCONNECTING AND GUIDING RELATIVE SWITCHING MOVEMENT BETWEEN SAID FIRST AND SECOND SWITCH ELEMENTS, A MULTIPLICITY OF PLATES OF CONDUCTIVE MATERIAL MOUNTED ON SAID FIRST SWITCH ELEMENT IN PARALLEL SPACED PLANES WHICH ARE ALSO PARALLEL TO THE DIRECTION OF RELATIVE MOVEMENT BETWEEN SAID FIRST AND SECOND SWITCH ELEMENTS, SAID PLATES IN EACH PLANE BEING IN SPACED INSULATED RELATION IN THE DIRECTION OF MOVEMENT, VARIOUS OF THE INDIVIDUAL PLATES OF ONE PLANE OVERLAPPING PORTIONS OF TWO ADJACENT SPACED PLATES RESPECTIVELY OF THE SECOND PLANE, A MULTIPLICITY OF ELECTRICAL CONTACT WIPERS MOUNTED ON SAID SECOND SWITCH ELEMENT, SAID MULTIPLE INDIVIDUAL CIRCUITS BEING CONNECTED TO RESPECTIVE WIPERS, INDIVIDUAL WIPERS BEING EQUIPPED WITH TWO WIPER ARMS, ONE OF SAID ARMS BEING POSITIONED TO ENGAGE PLATES IN ONE OF SAID PARALLEL SPACED PLANES, AND THE OTHER ARM BEING POSITIONED TO ENGAGE PLATES IN THE OTHER OF SAID PARALLEL SPACED PLANES, AND VARIOUS SAID INDIVIDUAL WIPERS BEING MEANS
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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |