US3194077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting device for pressure gauge
Assignee: Individual
•
Filing: 1962-08-30
•
Granted: 1965-07-13
•
Expires: 1982-08-30
Abstract
No abstract record available.
Inventors
- 👤 Lloyd H Butterfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:55
CPC Classifications
G; G01; G01L; G01L19/00; G01L19/0007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A GAUGE MOUNTING DEVICE FOR USE IN PREVENTING FREEZING OF FLUID IN SAID GAUGE COMPRISING A HOUSING HAVING A CENTRAL CAVITY AND INCLUDING A PAIR OF DETACHABLY SECURED TOGETHER PORTIONS, A MEMBER DISPOSED WITHIN ONE OF SAID PORTIONS SEPARATING SAID CAVITY INTO FIRST AND SECOND FLUID CONFINING NON-COMMUNICATING CHAMBERS, EACH OF SAID CHAMBERS HAVING AN INLET AND AN OUTLET, A FLEXIBLE DIAPHRAGM INTERPOSED BETWEEN SAID HOUSING PORTIONS SEPARATING SAID FIRST CHAMBER INTO SEPARATE FLUID CONFINING POR-
Claim 2
Dependent Claim
76 words
A GAUGE MOUNTING DEVICE FOR USE IN PREVENTING FREEZING OF FLUID IN SAID GAUGE COMPRISING A HOUSING HAVING A CENTRAL CAVITY AND INCLUDING A PAIR OF DETACHABLY SECURED TOGETHER PORTIONS, A MEMBER DISPOSED WITHIN ONE OF SAID PORTIONS SEPARATING SAID CAVITY INTO FIRST AND SECOND FLUID CONFINING NON-COMMUNICATING CHAMBERS, EACH OF SAID CHAMBERS HAVING AN INLET AND AN OUTLET, A FLEXIBLE DIAPHRAGM INTERPOSED BETWEEN SAID HOUSING PORTIONS SEPARATING SAID FIRST CHAMBER INTO SEPARATE FLUID CONFINING POR-
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |