Patent US2763838A successfully refreshed from Google Patents.
US2763838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit for obtaining the ratio of two voltages
Assignee: Individual
•
Filing: 1945-09-14
•
Granted: 1956-09-18
•
Expires: 1965-09-14
Abstract
No abstract record available.
Inventors
- 👤 Robert A Mcconnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:56
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2141343A
Cited
US2248563A
Cited
US2270773A
Cited
US2273978A
Cited
US2244369A
Cited
US2281995A
Cited
US2222172A
Cited
US2287174A
Cited
US2313666A
Cited
US2306456A
Cited
US2314851A
Cited
US2331360A
Cited
US2397830A
Cited
US2397540A
Cited
US2400326A
Cited
US2419852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |