US3196686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for transmitting signals
Assignee: Water Research Association
•
Filing: 1962-02-27
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Granted: 1965-07-27
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Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 John A Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:25
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/005; G01M3/02; G01M3/04; G01M3/16; G01M3/18; G01M3/26; G01M3/28; G01M3/2807; G01M3/2823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A DEVICE ADAPTED TO BE DISPOSED WITHIN THE INTERIOR OF A LONGITUDINALLY EXTENDING FLUID FLOW SYSTEM, MEANS FOR CREATING A MAGNETIC FIELD OF SUCH STRENGTH AS TO BE DETECTABLE OUTSIDE THE SYSTEM, MEANS RESPONSIVE TO PRESSURE CONDITIONS WITHIN SAID SYSTEM CONNECTED TO SAID MEANS FOR CREATING A MAGNETIC FIELD TO EFFECT THE MODULATION OF THE MAGNETIC FIELD IN ACCORDANCE WITH SAID PRESSURE CONDITIONS, MEANS SITUATED OUTSIDE THE SYSTEM FOR DETECTING THE MODULATED MAGNETIC FIELD AND RENDERING A PRESSURE CONDITION READOUT IN TERMS OF SAID FIELD, SAID DEVICE FURTHER INCLUDING PORTIONS DISPOSED TRANSVERSELY ACROSS THE INTERIOR OF SAID SYSTEM TO EFFECT THE MOVEMENT OF SAID DEVICE WITHIN THE SYSTEM BY MEANS OF FLUID FLOW ACTING ON SAID PORTIONS.
Claim 2
Dependent Claim
118 words
IN A DEVICE ADAPTED TO BE DISPOSED WITHIN THE INTERIOR OF A LONGITUDINALLY EXTENDING FLUID FLOW SYSTEM, MEANS FOR CREATING A MAGNETIC FIELD OF SUCH STRENGTH AS TO BE DETECTABLE OUTSIDE THE SYSTEM, MEANS RESPONSIVE TO PRESSURE CONDITIONS WITHIN SAID SYSTEM CONNECTED TO SAID MEANS FOR CREATING A MAGNETIC FIELD TO EFFECT THE MODULATION OF THE MAGNETIC FIELD IN ACCORDANCE WITH SAID PRESSURE CONDITIONS, MEANS SITUATED OUTSIDE THE SYSTEM FOR DETECTING THE MODULATED MAGNETIC FIELD AND RENDERING A PRESSURE CONDITION READOUT IN TERMS OF SAID FIELD, SAID DEVICE FURTHER INCLUDING PORTIONS DISPOSED TRANSVERSELY ACROSS THE INTERIOR OF SAID SYSTEM TO EFFECT THE MOVEMENT OF SAID DEVICE WITHIN THE SYSTEM BY MEANS OF FLUID FLOW ACTING ON SAID PORTIONS.
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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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |