US2540310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integration device for radioactivity measurements
Assignee: Texaco Inc
•
Filing: 1947-08-12
•
Granted: 1951-02-06
•
Expires: 1967-08-12
Abstract
No abstract record available.
Inventors
- 👤 Wolf Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:46
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/184
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1508162A
Cited
US2110015A
Cited
US2260933A
Cited
US2349437A
Cited
US2434297A
Cited
US2373247A
Cited
US2377757A
Cited
US2411573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |