US2902603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally insulated scintillation counter
Assignee: Schlumberger Well Surveying Corp
•
Filing: 1953-06-08
•
Granted: 1959-09-01
•
Expires: 1973-06-08
Abstract
No abstract record available.
Inventors
- 👤 Maurice C Ferre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:36
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01V; G01V5/00; G01V5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2187011A
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US2433554A
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US2648012A
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US2686266A
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US2659011A
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US2714169A
Cited
US2739242A
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US2750514A
Cited
US2711084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |