US2732716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Of temperature range
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:57
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/32; Y; Y10; Y10S; Y10S116/00; Y10S116/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A VAPOR PRESSURE INDICATING INSTRUMENT CAPABLE OF PRODUCING A LINEAR INDICATION COMPRISING A BOURDON TUBE CONNECTED TO A BULB CONTAINING A LIQUID HAVING A NONLINEAR VAPOR PRESSURE-TEMPERATURE CHARACTERISTIC, SAID BOURDON TUBE HAVING A FREE END, FIRST AND SECOND LINKS EACH HAVING OPPOSITELY EXTENDING ENDS, SAID FIRST LINK BEING SUPPORTED AT ONE END FOR ROTATION ABOUT A FIXED AXIS LOCATED SUBSTANTIALLY CENTRALLY OF SAID BOURDON SPRING, THE OTHER END OF SAID FIRST LINK BEING FREE AND EXTENDING BEYOND SAID BOURDON TUBE AND THE FREE END OF SAID TUBE BEING CONNECTED TO SAID FIRST LINK RADIALLY OUTWARDLY OF THE AXIS OF ROTATION OF SAID FIRST LINK, SAID SECOND LINK BEING SUPPORTED AT ONE END FOR ROTATION ABOUT AN AXIS PARALLEL TO BUT DISPLACED FROM SAID FIRST-NAMED AXIS, THE OTHER END OF SAID SECOND LINK BEING FREE AND EXTENDING FROM ITS AXIS OF ROTATION IN A DIRECTION GENERALLY OPPOSITE TO THE DIRECTION IN WHICH THE FREE END OF THE FIRST LINK EXTENDS FROM ITS AXIS OF ROTATION, A THIRD LINK EXTENDING BETWEEN AND PIVOTALLY CONNECTED TO THE FREE ENDS OF SAID FIRST
Claim 2
Dependent Claim
179 words
A VAPOR PRESSURE INDICATING INSTRUMENT CAPABLE OF PRODUCING A LINEAR INDICATION COMPRISING A BOURDON TUBE CONNECTED TO A BULB CONTAINING A LIQUID HAVING A NONLINEAR VAPOR PRESSURE-TEMPERATURE CHARACTERISTIC, SAID BOURDON TUBE HAVING A FREE END, FIRST AND SECOND LINKS EACH HAVING OPPOSITELY EXTENDING ENDS, SAID FIRST LINK BEING SUPPORTED AT ONE END FOR ROTATION ABOUT A FIXED AXIS LOCATED SUBSTANTIALLY CENTRALLY OF SAID BOURDON SPRING, THE OTHER END OF SAID FIRST LINK BEING FREE AND EXTENDING BEYOND SAID BOURDON TUBE AND THE FREE END OF SAID TUBE BEING CONNECTED TO SAID FIRST LINK RADIALLY OUTWARDLY OF THE AXIS OF ROTATION OF SAID FIRST LINK, SAID SECOND LINK BEING SUPPORTED AT ONE END FOR ROTATION ABOUT AN AXIS PARALLEL TO BUT DISPLACED FROM SAID FIRST-NAMED AXIS, THE OTHER END OF SAID SECOND LINK BEING FREE AND EXTENDING FROM ITS AXIS OF ROTATION IN A DIRECTION GENERALLY OPPOSITE TO THE DIRECTION IN WHICH THE FREE END OF THE FIRST LINK EXTENDS FROM ITS AXIS OF ROTATION, A THIRD LINK EXTENDING BETWEEN AND PIVOTALLY CONNECTED TO THE FREE ENDS OF SAID FIRST
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |