US2716047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Statistical frequency distribution recorder
Assignee: Ebasco Services Inc
•
Filing: 1951-04-03
•
Granted: 1955-08-23
•
Expires: 1971-04-03
Abstract
No abstract record available.
Inventors
- 👤 James W Dibrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:26
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2065048A
Cited
US2278409A
Cited
US2082941A
Cited
US2387613A
Cited
US2385399A
Cited
US2318633A
Cited
US2333306A
Cited
US2392467A
Cited
US2380231A
Cited
US2426942A
Cited
US2484113A
Cited
US2553843A
Cited
US2567942A
Cited
US2571061A
Cited
US2553846A
Cited
US2564322A
Cited
US2507297A
Cited
US2525176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |