Patent CA657031A successfully refreshed from Google Patents.
Patent US3127771A successfully refreshed from Google Patents.
US3127771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauge drive system
Assignee: Colorado Oil and Gas Corp
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Filing: 1962-06-14
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Granted: 1964-04-07
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Expires: 1982-06-14
Abstract
No abstract record available.
Inventors
- 👤 Karl L Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:50
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/02; G01D5/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
157 words
A COMPACT TEMPERATURE AND PRESSURE GAUGE INCLUDING A PRESSURE SENSING ELEMENT, AN INDICATOR, A LINKAGE CONNECTING SAID SENSING ELEMENT AND SAID INDICATOR, A TEMPERATURE POINTER, AND TEMPERATURE RESPONSIVE MEANS, SAID LINKAGE INCLUDING A FIRST LINK CONNECTED TO SAID INDICATOR AND MOUNTED ON A PIVOT POST FOR PIVOTAL MOVEMENT ABOUT THE AXIS OF SAID PIVOT POST, A SECOND LINK CONNECTED TO SAID SENSING ELEMENT AND SUPPORTED FOR PIVOTAL MOVEMENT ABOUT AN AXIS FIXED RELATIVE TO SAID PIVOT POST, AND SPACED A DISTANCE A FROM THE AXIS OF SAID PIVOT POST, AND A THIRD LINK PIVOTALLY JOINED TO SAID FIRST AND SECOND LINKS AT POINTS SPACED DISTANCES D AND B FROM SAID PIVOT POST AXIS AND SAID SECOND AXIS, RESPECTIVELY, AND SPACED APART A DISTANCE C; AND WHEREIN D IS LESS THAN A/2 BUT GREATER THAN 1/4", B IS LESS THAN 2A BUT GREATER THAN A, A-D+C FALLS WITHIN THE RANGE FROM ABOUT 0.85B TO ABOUT 1.15B, SAID PIVOT
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |