US3360694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control means
Assignee: Individual
•
Filing: 1964-12-10
•
Granted: 1967-12-26
•
Expires: 1984-12-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur K Littwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:38
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
ELECTRICAL CONTROL MEANS INCLUDING A FIRST CIRCUIT HAVING A STARTING CONDITION, AN ELECTRICALLY CONTROLLED WORK ELEMENT IN THE CIRCUIT, A FIRST SWITCH OPERABLE BY A DEVICE TO BE CONTROLLED, TUBE MEANS IN THE CIRCUIT, MEANS ENERGIZING THE TUBE MEANS IN RESPONSE TO CLOSURE OF THE FIRST SWITCH, THE TUBE MEANS WHEN ENERGIZED BEING OPERATIVE FOR ENERGIZING THE WORK ELEMENT, CONDENSER MEANS AND MEANS FOR CHARGING IT WHEN THE CIRCUIT IS IN STARTING CONDITION, MEANS CONTROLLED BY THE TUBE MEANS WHEN THE LATTER IS ENERGIZED FOR PUTTING THE CIRCUIT IN A SECOND CONDITION, THE CONDENSER MEANS DISCHARGING IN RESPONSE TO THE CIRCUIT BEING PLACED IN SAID SECOND CONDITION AND BEING THEREBY OPERABLE FOR DE-ENERGIZING THE TUBE MEANS.
Claim 2
Dependent Claim
116 words
ELECTRICAL CONTROL MEANS INCLUDING A FIRST CIRCUIT HAVING A STARTING CONDITION, AN ELECTRICALLY CONTROLLED WORK ELEMENT IN THE CIRCUIT, A FIRST SWITCH OPERABLE BY A DEVICE TO BE CONTROLLED, TUBE MEANS IN THE CIRCUIT, MEANS ENERGIZING THE TUBE MEANS IN RESPONSE TO CLOSURE OF THE FIRST SWITCH, THE TUBE MEANS WHEN ENERGIZED BEING OPERATIVE FOR ENERGIZING THE WORK ELEMENT, CONDENSER MEANS AND MEANS FOR CHARGING IT WHEN THE CIRCUIT IS IN STARTING CONDITION, MEANS CONTROLLED BY THE TUBE MEANS WHEN THE LATTER IS ENERGIZED FOR PUTTING THE CIRCUIT IN A SECOND CONDITION, THE CONDENSER MEANS DISCHARGING IN RESPONSE TO THE CIRCUIT BEING PLACED IN SAID SECOND CONDITION AND BEING THEREBY OPERABLE FOR DE-ENERGIZING THE TUBE MEANS.
References Cited (Backward Citations)
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US2528835A
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US2611011A
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US2669677A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |