US2911536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simultaneous neutron and gamma ray well logging system
Assignee: Pgac Dev Co
•
Filing: 1951-06-12
•
Granted: 1959-11-03
•
Expires: 1971-06-12
Abstract
No abstract record available.
Inventors
- 👤 Serge A Scherbatskoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:31
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/10; G01V5/104
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
IN A WELL LOGGING SYSTEM FOR SINULTANEOUSLY DETECTING RADIATIONS OF TWO DIFFERENT TYPES, THE COMBINATION OF
Claim 2
Dependent Claim
16 words
IN A WELL LOGGING SYSTEM FOR SINULTANEOUSLY DETECTING RADIATIONS OF TWO DIFFERENT TYPES, THE COMBINATION OF
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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) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |