US2779927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A. c. electrical measuring instruments
Assignee: The General Electric Company PLC
•
Filing: 1952-05-20
•
Granted: 1957-01-29
•
Expires: 1972-05-20
Abstract
No abstract record available.
Inventors
- 👤 Rudge Thomas Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:24
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/20; G01R1/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1830541A
Cited
US1981259A
Cited
DE624455C
Cited
US2351377A
Cited
US2375591A
Cited
US2478029A
Cited
US2494206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |