US3260104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fluid analysis
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1962-10-24
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Granted: 1966-07-12
•
Expires: 1982-10-24
Abstract
No abstract record available.
Inventors
- 👤 Jr William H King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:12
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/02; G01N29/036; G01N2291/00; G01N2291/02; G01N2291/025; G01N2291/0256
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
IN AN ANALYZER COMPRISING IN COMBINATION AN ELECTRONIC CIRCUIT OSCILLATOR MEANS HAVING A PIEZOELECTRIC ELEMENT AS A RESONANT ELEMENT THEREOF SAID PIEZOELECTRIC ELEMENT BEING SO CONSTRUCTED AND ARRANGED AS TO BE IN CONTACT WITH THE FLUID TO BE ANALYZED, SAID PIEZOELECTRIC ELEMENT HAVING A SUBSTRATE COATED THEREON WHEREIN SAID SUBSTRATE CAN INTERACT WITH AT LEAST ONE COMPONENT OF A MATERIAL TO BE ANALYZED, THE IMPROVEMENT WHICH PERMITS SAID ANALYZER TO HAVE A SENSITIVITY INDEPENDENT OF ANY CHANGES IN THE TEMPERATURE AND PRESSURE UNDER WHICH THE ANALYSIS MAY BE CONDUCTED COMPRISING A SECOND ELECTRONIC CIRCUIT OSCILLATOR MEANS HAVING A PIEZOELECTRIC ELEMENT AS A RESONANT ELEMENT THEREOF SAID PIEZOELECTRIC ELEMENT BEING SO CONSTRUCTED AND ARRANGED AS TO BE IN CONTACT WITH THE FLUID TO BE ANALYZED WHICH PIEZOELECTRIC ELEMENT HAS A SUBSTRATE COATED THEREON WHICH SUBSTRATE DOES NOT INTERACT WITH SAID MATERIAL TO BE ANALYZED, MIXING MEANS OPERATIVELY CONNECTED WITH SAID FIRST ELECTRONIC CIRCUIT OSCILLATOR MEANS AND SAID SECOND ELECTRONIC CIRCUIT OSCILLATOR MEANS WHEREBY A NET OSCILLATING FREQUENCY IS OBTAINED AND MEANS FOR DETECTING SAID NET OSCILLATING FREQUENCY.
Claim 2
Dependent Claim
176 words
IN AN ANALYZER COMPRISING IN COMBINATION AN ELECTRONIC CIRCUIT OSCILLATOR MEANS HAVING A PIEZOELECTRIC ELEMENT AS A RESONANT ELEMENT THEREOF SAID PIEZOELECTRIC ELEMENT BEING SO CONSTRUCTED AND ARRANGED AS TO BE IN CONTACT WITH THE FLUID TO BE ANALYZED, SAID PIEZOELECTRIC ELEMENT HAVING A SUBSTRATE COATED THEREON WHEREIN SAID SUBSTRATE CAN INTERACT WITH AT LEAST ONE COMPONENT OF A MATERIAL TO BE ANALYZED, THE IMPROVEMENT WHICH PERMITS SAID ANALYZER TO HAVE A SENSITIVITY INDEPENDENT OF ANY CHANGES IN THE TEMPERATURE AND PRESSURE UNDER WHICH THE ANALYSIS MAY BE CONDUCTED COMPRISING A SECOND ELECTRONIC CIRCUIT OSCILLATOR MEANS HAVING A PIEZOELECTRIC ELEMENT AS A RESONANT ELEMENT THEREOF SAID PIEZOELECTRIC ELEMENT BEING SO CONSTRUCTED AND ARRANGED AS TO BE IN CONTACT WITH THE FLUID TO BE ANALYZED WHICH PIEZOELECTRIC ELEMENT HAS A SUBSTRATE COATED THEREON WHICH SUBSTRATE DOES NOT INTERACT WITH SAID MATERIAL TO BE ANALYZED, MIXING MEANS OPERATIVELY CONNECTED WITH SAID FIRST ELECTRONIC CIRCUIT OSCILLATOR MEANS AND SAID SECOND ELECTRONIC CIRCUIT OSCILLATOR MEANS WHEREBY A NET OSCILLATING FREQUENCY IS OBTAINED AND MEANS FOR DETECTING SAID NET OSCILLATING FREQUENCY.
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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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |