US2737595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross feed indicator for simultaneous radioactivity well logging system
Assignee: Individual
•
Filing: 1952-11-08
•
Granted: 1956-03-06
•
Expires: 1972-11-08
Abstract
No abstract record available.
Inventors
- 👤 Serge A Scherbatskoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:12
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/10; G01V5/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A SIMULATANEOUS PENETRATIVE RADIATION WELL LOGGING SYSTEM, THE COMBINATION OF, A SUBSURFACE UNIT FOR DEVELOPING SIGNALS REPRESENTING A PLURALITY OF RADIATION, A PLURALITY OF SIGNAL TRANSMISSION CHANNELS CONNECTED TO SAID SUBSURFACE UNIT FOR SEPARATELY DETECTING SAID PLURALITY OF RADIATION SIGNALS, AND SIGNAL RESPONSIVE MEANS INTERCONNECTING AT LEAST TWO OF SAID CHANNELS FOR DEVELOPING A CONTROL SIGNAL WHEN SIGNALS NORMALLY TRANSMITTED THROUGH ONE OF SAID CHANNELS ARE ALSO TRANSMITTED THROUGH ANOTHER OF SAID CHANNELS.
Claim 2
Dependent Claim
74 words
IN A SIMULATANEOUS PENETRATIVE RADIATION WELL LOGGING SYSTEM, THE COMBINATION OF, A SUBSURFACE UNIT FOR DEVELOPING SIGNALS REPRESENTING A PLURALITY OF RADIATION, A PLURALITY OF SIGNAL TRANSMISSION CHANNELS CONNECTED TO SAID SUBSURFACE UNIT FOR SEPARATELY DETECTING SAID PLURALITY OF RADIATION SIGNALS, AND SIGNAL RESPONSIVE MEANS INTERCONNECTING AT LEAST TWO OF SAID CHANNELS FOR DEVELOPING A CONTROL SIGNAL WHEN SIGNALS NORMALLY TRANSMITTED THROUGH ONE OF SAID CHANNELS ARE ALSO TRANSMITTED THROUGH ANOTHER OF SAID CHANNELS.
References Cited (Backward Citations)
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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) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |