US2743418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rc circuit tester
Assignee: Individual
•
Filing: 1945-12-29
•
Granted: 1956-04-24
•
Expires: 1965-12-29
Abstract
No abstract record available.
Inventors
- 👤 Charles F Nichols
- 👤 Frank H Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:14
CPC Classifications
G; G04; G04F; G04F8/00; G04F8/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1332844A
Cited
US2010968A
Cited
US2217443A
Cited
US2251763A
Cited
US2274992A
Cited
US2313955A
Cited
GB551910A
Cited
US2428038A
Cited
US2430547A
Cited
US2504848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |