Patent US2693908A successfully refreshed from Google Patents.
US2693908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the analysis of a record and the indication of the correlation factor
Assignee: Office National d'Études et de Recherches Aérospatiales
•
Filing: 1947-08-26
•
Granted: 1954-11-09
•
Expires: 1967-08-26
Abstract
No abstract record available.
Inventors
- 👤 Favre Alexandre Jean Auguste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:24
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/30; 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)
DE62618C
Cited
US1764340A
Cited
US2277285A
Cited
US2243730A
Cited
US2389861A
Cited
US2258859A
Cited
US2319219A
Cited
US2332797A
Cited
US2378388A
Cited
US2442383A
Cited
US2378383A
Cited
US2354176A
Cited
US2424218A
Cited
FR924800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |