US3339416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauge drive system
Assignee: Colorado Oil and Gas Corp
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Filing: 1965-04-07
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Granted: 1967-09-05
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Expires: 1985-04-07
Abstract
No abstract record available.
Inventors
- 👤 Karl L Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:41
CPC Classifications
G; G01; G01L; G01L7/00; G01L7/02; G01L7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A DIFFERENTIAL INDICATING GAUGE COMPRISING FRIST AND SECOND SENSING ELEMENTS MOVABLE IN RESPONSE TO VARIABLES BEING SENSED THEREBY, AN INDICATOR, AND MEANS CONNECTING SAID SENSING ELEMENTS TO SAID INDICATOR COMPRISING A FIRST LINK FOR DRIVING SAID INDICATOR COMPRISING A FIRST MOVEMENT ABOUT A FIRST AXIS FIXED RELATIVE TO SAID GUAGE, A DIFFERENTIAL LINK PIVOTALLY MOUNTED ON SAID FIRST LINK AT A POINT SPACED FROM SAID FIRST FIXED AXIS AND INCLUDING FIRST AND SECOND END PORTIONS EXTENDING IN ANGULAR RELATION TO ONE ANOTHER FROM THE PIVOTAL CONNECTION OF SAID DIFFERENTIAL LINK TO SAID FIRST LINK, A FIRST LINKAGE CONNECTED TO SAID FIRST SENSING ELEMENT AND TO SAID FIRST END PORTION, A SECOND LINKAGE CONNECTED TO SAID SECOND SENSING ELEMENT AND TO SAID SECOND END PORTION, EACH OF SAID FIRST AND SECOND LINKAGES INCLUDING A DRIVE LINK AND TO THE RESPECTIVE POVITALLY CONNECTED TO SAID DRIVE LINK AND TO THE REPECTIVE END PORTION OF SAID DIFFERENTIAL LINK, EACH OF SAID DRIVE LINKS EXTENDING GENERALLY PARALLEL TO THE RESPECTIVE END PORTION OF SAID DIFFERENTIAL LINK AND EACH OF SAID CONNECTING LINKS EXTENDING GENERALLY NORMAL TO THE RESPECTIVE CONNECTED DRIVE LINK AND END PORTION WHEN THE RESPECTIVE SENSING ELEMENT IS AT THE MID-POINT OF ITS RANGE OF OPERATING MOVEMENT.
Claim 2
Dependent Claim
205 words
A DIFFERENTIAL INDICATING GAUGE COMPRISING FRIST AND SECOND SENSING ELEMENTS MOVABLE IN RESPONSE TO VARIABLES BEING SENSED THEREBY, AN INDICATOR, AND MEANS CONNECTING SAID SENSING ELEMENTS TO SAID INDICATOR COMPRISING A FIRST LINK FOR DRIVING SAID INDICATOR COMPRISING A FIRST MOVEMENT ABOUT A FIRST AXIS FIXED RELATIVE TO SAID GUAGE, A DIFFERENTIAL LINK PIVOTALLY MOUNTED ON SAID FIRST LINK AT A POINT SPACED FROM SAID FIRST FIXED AXIS AND INCLUDING FIRST AND SECOND END PORTIONS EXTENDING IN ANGULAR RELATION TO ONE ANOTHER FROM THE PIVOTAL CONNECTION OF SAID DIFFERENTIAL LINK TO SAID FIRST LINK, A FIRST LINKAGE CONNECTED TO SAID FIRST SENSING ELEMENT AND TO SAID FIRST END PORTION, A SECOND LINKAGE CONNECTED TO SAID SECOND SENSING ELEMENT AND TO SAID SECOND END PORTION, EACH OF SAID FIRST AND SECOND LINKAGES INCLUDING A DRIVE LINK AND TO THE RESPECTIVE POVITALLY CONNECTED TO SAID DRIVE LINK AND TO THE REPECTIVE END PORTION OF SAID DIFFERENTIAL LINK, EACH OF SAID DRIVE LINKS EXTENDING GENERALLY PARALLEL TO THE RESPECTIVE END PORTION OF SAID DIFFERENTIAL LINK AND EACH OF SAID CONNECTING LINKS EXTENDING GENERALLY NORMAL TO THE RESPECTIVE CONNECTED DRIVE LINK AND END PORTION WHEN THE RESPECTIVE SENSING ELEMENT IS AT THE MID-POINT OF ITS RANGE OF OPERATING MOVEMENT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |