Patent FR932974A successfully refreshed from Google Patents.
Patent US3226495A successfully refreshed from Google Patents.
US3226495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary switch structure with saddleshaped insulator and two-legged contact brush
Assignee: Fujitsu Ltd
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Filing: 1963-10-02
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Granted: 1965-12-28
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Expires: 1983-10-02
Abstract
No abstract record available.
Inventors
- 👤 Seki Kouji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:38
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/58; H01H19/585
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A ROTARY SWITCH COMPRISNG AN INSULATING BASE PLATE, A CONDUCTING CIRCULAR RING PRINTED ON SAID BASE PLATE, A PLURALITY OF CONDUCTING CONTACT MEANS PRINTED ON SAID BASE PLATE AND SPACED CIRCUMFERENTIALLY ABOUT SAID RING, A PLURALITY OF CIRCUIT MEANS PRINTED ON SAID BASE PLATE, EACH OF SID CIRCUIT MEANS CONNECTING ADJACENT ONES OF SAID CONTACT MEANS AND BEING ARRANGED CIRCUMFERENTIALLY ABOUT SAID RING, A SHAFT ROTATABLY MOUNTED ON THE BASE PLATE AT THE CENTER OF SAID RING, A MOVABLE CONTACTOR BRUSH ENGAGING SAID RING AND ENGAGEABLE WITH SUCCESSIVE ONES OF SAID CONTACT MEANS, A SADDLE-SHAPED INSULATOR EMBRACING SAID BRUSH, RESILIENT MEANS ROTATABLE WITH SAID SHAFT PRESSING SAID INSULATOR AND SAID BRUSH AGAINST SAID BASE PLATE.
Claim 2
Dependent Claim
115 words
A ROTARY SWITCH COMPRISNG AN INSULATING BASE PLATE, A CONDUCTING CIRCULAR RING PRINTED ON SAID BASE PLATE, A PLURALITY OF CONDUCTING CONTACT MEANS PRINTED ON SAID BASE PLATE AND SPACED CIRCUMFERENTIALLY ABOUT SAID RING, A PLURALITY OF CIRCUIT MEANS PRINTED ON SAID BASE PLATE, EACH OF SID CIRCUIT MEANS CONNECTING ADJACENT ONES OF SAID CONTACT MEANS AND BEING ARRANGED CIRCUMFERENTIALLY ABOUT SAID RING, A SHAFT ROTATABLY MOUNTED ON THE BASE PLATE AT THE CENTER OF SAID RING, A MOVABLE CONTACTOR BRUSH ENGAGING SAID RING AND ENGAGEABLE WITH SUCCESSIVE ONES OF SAID CONTACT MEANS, A SADDLE-SHAPED INSULATOR EMBRACING SAID BRUSH, RESILIENT MEANS ROTATABLE WITH SAID SHAFT PRESSING SAID INSULATOR AND SAID BRUSH AGAINST SAID BASE PLATE.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |