US3227847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple switching electrical control device
Assignee: Friden Inc
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Filing: 1963-01-30
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Granted: 1966-01-04
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Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Edwin O Blodgett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:36
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
AN ELECTRICAL CIRCUIT CONTROL DEVICE COMPRISING AN ELONGATED CONTROL MEMBER JOURNALLED FOR AXIAL ROTATION TO PRESELECTED ANGULAR POSITIONS EACH PROVIDING LONGITUDINALLY SPACED INDICIA AREAS ON THE PERIPHERAL SURFACE OF SAID MEMBER, DETENT MEANS FOR DETAINING SAID CONTROL MEMBER IN EACH OF SAID ANGULAR POSITIONS THEREOF, A CIRCUMFERENTIAL CAM SURFACE POSITIONED AT EACH OF PLURAL LONGITUDINALLY SPACED POSITIONS ALONG SAID MEMBER AND EACH HAVING AT LEAST ONE ARCUATE CAM LOBE BEARING A PREDETERMINED ANGULAR DISPLACEMENT RELATIVE TO ONE OF SAID CONTROL MEMBER ANGULAR POSITIONS INDIVIDUAL TO SAID EACH CAM SURFACE, A PLURALITY OF ELECTRICAL CONTACTS, A PLURALITY OF CAM FOLLOWER MEANS INDIVIDUAL TO AND ENGAGING SAID CAM SURFACES FOR OPERATING INDIVIDUAL GROUPS OF SAID ELECTRICAL CONTACTS BETWEEN CONTACT-OPEN AND CONTACT-CLOSED POSITIONS THEREOF, AND AN OPAQUE PANEL SUPPORTED IN FIXEDLY SPACED RELATION TO SAID MEMBER AND HAVING AT LEAST ONE ROW OF TRANSPARENT WINDOWS POSITIONED IN OPPOSING RELATION TO SAID INDICIA AREAS OF SAID MEMBER.
Claim 2
Dependent Claim
153 words
AN ELECTRICAL CIRCUIT CONTROL DEVICE COMPRISING AN ELONGATED CONTROL MEMBER JOURNALLED FOR AXIAL ROTATION TO PRESELECTED ANGULAR POSITIONS EACH PROVIDING LONGITUDINALLY SPACED INDICIA AREAS ON THE PERIPHERAL SURFACE OF SAID MEMBER, DETENT MEANS FOR DETAINING SAID CONTROL MEMBER IN EACH OF SAID ANGULAR POSITIONS THEREOF, A CIRCUMFERENTIAL CAM SURFACE POSITIONED AT EACH OF PLURAL LONGITUDINALLY SPACED POSITIONS ALONG SAID MEMBER AND EACH HAVING AT LEAST ONE ARCUATE CAM LOBE BEARING A PREDETERMINED ANGULAR DISPLACEMENT RELATIVE TO ONE OF SAID CONTROL MEMBER ANGULAR POSITIONS INDIVIDUAL TO SAID EACH CAM SURFACE, A PLURALITY OF ELECTRICAL CONTACTS, A PLURALITY OF CAM FOLLOWER MEANS INDIVIDUAL TO AND ENGAGING SAID CAM SURFACES FOR OPERATING INDIVIDUAL GROUPS OF SAID ELECTRICAL CONTACTS BETWEEN CONTACT-OPEN AND CONTACT-CLOSED POSITIONS THEREOF, AND AN OPAQUE PANEL SUPPORTED IN FIXEDLY SPACED RELATION TO SAID MEMBER AND HAVING AT LEAST ONE ROW OF TRANSPARENT WINDOWS POSITIONED IN OPPOSING RELATION TO SAID INDICIA AREAS OF SAID MEMBER.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |