US3389328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus with soft start
Assignee: Honeywell Inc
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Filing: 1966-08-22
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Granted: 1968-06-18
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Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Marius A Janson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:52
CPC Classifications
G; G05; G05B; G05B7/00; G05B7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
CONTROL APPARATUS FOR USE WITH CONDITION SENSING MEANS AND A LOAD TO VARIABLY ENERGIZE THE LOAD FROM A SOURCE OF AC VOLTAGE IN ACCORDANCE WITH THE MAGNITUDE OF A SENSED CONDITION, AND TO PROVIDE SOFT START UPON INITIAL ENERGIZATION; THE APPARATUS COMPRISING; A DIFFERENT AMPLIFIER HAVING INPUT MEANS ADAPTED TO BE CONNECTED TO THE CONDITION SENSING MEANS, HAVING OUTPUT MEANS ADAPTED TO CONTROL THE ENERGIZATION OF THE LOAD, AND HAVING A CIRCUIT ELEMENT CONNECTED TO CONSTITUTE A COMMON INPUT ELEMENT OF SAID DIFFERENTIAL AMPLIFIER AND TO PROVIDE CONSTANT CURRENT STABILIZATION OF SAID DIFFERENTIAL AMPLIFIER,
Claim 2
Dependent Claim
94 words
CONTROL APPARATUS FOR USE WITH CONDITION SENSING MEANS AND A LOAD TO VARIABLY ENERGIZE THE LOAD FROM A SOURCE OF AC VOLTAGE IN ACCORDANCE WITH THE MAGNITUDE OF A SENSED CONDITION, AND TO PROVIDE SOFT START UPON INITIAL ENERGIZATION; THE APPARATUS COMPRISING; A DIFFERENT AMPLIFIER HAVING INPUT MEANS ADAPTED TO BE CONNECTED TO THE CONDITION SENSING MEANS, HAVING OUTPUT MEANS ADAPTED TO CONTROL THE ENERGIZATION OF THE LOAD, AND HAVING A CIRCUIT ELEMENT CONNECTED TO CONSTITUTE A COMMON INPUT ELEMENT OF SAID DIFFERENTIAL AMPLIFIER AND TO PROVIDE CONSTANT CURRENT STABILIZATION OF SAID DIFFERENTIAL AMPLIFIER,
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) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |