US3182149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-operated control having means for adjusting the actuating pressures of a plurality of control switches
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1961-10-25
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Granted: 1965-05-04
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Expires: 1981-10-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Noakes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:00
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2657
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN A SPRING SYSTEM, A SERIES OF STATIONARY ELECTRICAL SNAP SWITCHES; FLUID PRESSURE-OPERATED LEVER MEANS CONNECTED WITH THE SWITCHES FOR ACTUATING SAID SWITCHES AT PRESELECTED FLUID PRESSURES; FIRST ADJUSTABLE SPRING MEANS OPERATIVELY CONNECTED WITH AND WORKING ON THE ACTUATING MEANS TO DETERMINE THE FLUID PRESSURE AT WHICH ONE OF THE SWITCHES IS OPERATED; AND SECOND RATE ADJUSTMENT SPRING MEANS CONTINUOUSLY CONNECTED WITH AND WORKING ON THE ACTUATING MEANS, AND ADJUSTABLE TO VARIOUS POSITIONS IN WHICH THE SPRING RATE OF THE SYSTEM IS CAUSED TO BE VARIED
Claim 2
Dependent Claim
86 words
IN A SPRING SYSTEM, A SERIES OF STATIONARY ELECTRICAL SNAP SWITCHES; FLUID PRESSURE-OPERATED LEVER MEANS CONNECTED WITH THE SWITCHES FOR ACTUATING SAID SWITCHES AT PRESELECTED FLUID PRESSURES; FIRST ADJUSTABLE SPRING MEANS OPERATIVELY CONNECTED WITH AND WORKING ON THE ACTUATING MEANS TO DETERMINE THE FLUID PRESSURE AT WHICH ONE OF THE SWITCHES IS OPERATED; AND SECOND RATE ADJUSTMENT SPRING MEANS CONTINUOUSLY CONNECTED WITH AND WORKING ON THE ACTUATING MEANS, AND ADJUSTABLE TO VARIOUS POSITIONS IN WHICH THE SPRING RATE OF THE SYSTEM IS CAUSED TO BE VARIED
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) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |