US3079800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure measuring devices and systems employing the same
Assignee: Borg Warner Corp
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Filing: 1959-01-22
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Granted: 1963-03-05
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Expires: 1979-01-22
Abstract
No abstract record available.
Inventors
- 👤 Hoar Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:41
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0001; G01L9/0008; G01L9/0013; G01L21/00; G01L21/16; G01L21/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A PRESSURE GAUGE, THE COMBINATION COMPRISING, MEANS AFFORDING A SEALED CHAMBER FOR PRESSURE VARIATIONS THEREWITHIN, A PRESSURE ELEMENT TENDING TO MOVE IN RESPONSE TO SAID PRESSURE VARIATIONS, VARIABLE STRESS MEANS MOVABLE IN RESPONSE TO MOVEMENTS OF SAID PRESSURE ELEMENT FOR VARIATION IN THE STRESS OF SAID VARIABLE STRESS MEANS WITH RESPONSE OF SAID ELEMENT, MEANS CAUSING THE TEMPERATURE OF SAID STRESS MEANS TO VARY IN ACCORDANCE WITH SAID PRESSURE VARIATIONS COMPRISING MEANS FOR APPLYING HEAT TO SAID STRESS MEANS AT A SUBSTANTIALLY CONSTANT RATE, WHEREBY THE STRESS OF SAID VARIABLE STRESS MEANS IS A FUNCTION OF BOTH THE PRESSURE APPLIED TO SAID ELEMENT AND THE TEMPERATURE OF SAID STRESS MEANS AND MEANS FOR INDICATING THE LEVEL OF PRESSURE MEASURED BY THE GAUGE.
Claim 2
Dependent Claim
123 words
IN A PRESSURE GAUGE, THE COMBINATION COMPRISING, MEANS AFFORDING A SEALED CHAMBER FOR PRESSURE VARIATIONS THEREWITHIN, A PRESSURE ELEMENT TENDING TO MOVE IN RESPONSE TO SAID PRESSURE VARIATIONS, VARIABLE STRESS MEANS MOVABLE IN RESPONSE TO MOVEMENTS OF SAID PRESSURE ELEMENT FOR VARIATION IN THE STRESS OF SAID VARIABLE STRESS MEANS WITH RESPONSE OF SAID ELEMENT, MEANS CAUSING THE TEMPERATURE OF SAID STRESS MEANS TO VARY IN ACCORDANCE WITH SAID PRESSURE VARIATIONS COMPRISING MEANS FOR APPLYING HEAT TO SAID STRESS MEANS AT A SUBSTANTIALLY CONSTANT RATE, WHEREBY THE STRESS OF SAID VARIABLE STRESS MEANS IS A FUNCTION OF BOTH THE PRESSURE APPLIED TO SAID ELEMENT AND THE TEMPERATURE OF SAID STRESS MEANS AND MEANS FOR INDICATING THE LEVEL OF PRESSURE MEASURED BY THE GAUGE.
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |