US2671874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective system for measuring instruments
Assignee: CIE GENERALE DE METROLOGIE
•
Filing: 1950-12-23
•
Granted: 1954-03-09
•
Expires: 1970-12-23
Abstract
No abstract record available.
Inventors
- 👤 Friedrichs Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1184844A
Cited
US1656956A
Cited
US1189409A
Cited
US1686905A
Cited
US1883613A
Cited
US2181539A
Cited
US2129524A
Cited
US2282344A
Cited
US2368084A
Cited
GB618101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |