US3185867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time delay circuit and mechanism
Assignee: Kingston Products Corp
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Filing: 1961-04-10
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Granted: 1965-05-25
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Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Bowman Joe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:11
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
AN INTERVAL TIMER FOR CONTROLLING A DEVICE HAVING TWO LOAD CIRCUITS, SAID TIMER COMPRISING IN COMBINATION: A TIMER MOTOR; CAM-MEANS DRIVEN BY SAID MOTOR; A PLURALITY OF SWITCH CIRCUITS UNDER THE OPERATIVE CONTROL OF SAID CAM-MEANS, SAID CAM-MEANS HAVING A PREDETERMINED START POSITION; ONE OF SAID SWITCH CIRCUITS BEING NORMALLY CLOSED FOR ENERGIZING A FIRST OF THE LOAD CIRCUITS, AND BEING OPEN AT SAID START POSITION; A SECOND OF SAID SWITCH CIRCUITS BEING NORMALLY OPEN, AND BEING CLOSED AT SAID START POSITION FOR ENERGIZING A SECOND OF THE LOAD CIRCUITS; A THIRD OF SAID SWITCH CIRCUITS BEING NORMALLY OPEN, AND BEING CLOSED AT SAID START POSITION FOR ENERGIZING SAID TIMER MOTOR; AND A RESET MECHANISM RESPONSIVE TO EACH OCCURRENCE OF A PREDETERMINED CONDITION AND CONNECTED TO SAID CAM-MEANS FOR DRIVING SAID CAM-MEANS IN A DIRECTION OPPOSITE TO SAID TIMER MOTOR TO SAID START POSITION FOR INITIATING A PREDETERMINED SWITCHING CYCLE DEFINED BY SAID CAM-MEANS.
Claim 2
Dependent Claim
154 words
AN INTERVAL TIMER FOR CONTROLLING A DEVICE HAVING TWO LOAD CIRCUITS, SAID TIMER COMPRISING IN COMBINATION: A TIMER MOTOR; CAM-MEANS DRIVEN BY SAID MOTOR; A PLURALITY OF SWITCH CIRCUITS UNDER THE OPERATIVE CONTROL OF SAID CAM-MEANS, SAID CAM-MEANS HAVING A PREDETERMINED START POSITION; ONE OF SAID SWITCH CIRCUITS BEING NORMALLY CLOSED FOR ENERGIZING A FIRST OF THE LOAD CIRCUITS, AND BEING OPEN AT SAID START POSITION; A SECOND OF SAID SWITCH CIRCUITS BEING NORMALLY OPEN, AND BEING CLOSED AT SAID START POSITION FOR ENERGIZING A SECOND OF THE LOAD CIRCUITS; A THIRD OF SAID SWITCH CIRCUITS BEING NORMALLY OPEN, AND BEING CLOSED AT SAID START POSITION FOR ENERGIZING SAID TIMER MOTOR; AND A RESET MECHANISM RESPONSIVE TO EACH OCCURRENCE OF A PREDETERMINED CONDITION AND CONNECTED TO SAID CAM-MEANS FOR DRIVING SAID CAM-MEANS IN A DIRECTION OPPOSITE TO SAID TIMER MOTOR TO SAID START POSITION FOR INITIATING A PREDETERMINED SWITCHING CYCLE DEFINED BY SAID CAM-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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |