Patent US2468775A successfully refreshed from Google Patents.
US2468775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impedance matched thermocouple for coaxial conductors
Assignee: Individual
•
Filing: 1944-10-25
•
Granted: 1949-05-03
•
Expires: 1964-10-25
Abstract
No abstract record available.
Inventors
- 👤 Paul J Ovrebo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:10
CPC Classifications
G; G01; G01R; G01R21/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1638894A
Cited
US2365207A
Cited
US706599A
Cited
US1502550A
Cited
US1905353A
Cited
US1929878A
Cited
US2151118A
Cited
US2273135A
Cited
US2344641A
Cited
US2410707A
Cited
US2423447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-02 | 1952-11-01 | 1953-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-02 | 1956-11-01 | 1957-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-02 | 1960-11-01 | 1961-05-03 | $7700.00 | Window Closed / Lapsed |