US2771992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor testing apparatus
Assignee: Solar Manuf Corp
•
Filing: 1951-04-26
•
Granted: 1956-11-27
•
Expires: 1971-04-26
Abstract
No abstract record available.
Inventors
- 👤 Artingstall Thomas William
- 👤 Erich F Feigl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:37
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/01; G01R31/013; G01R31/016; Y; Y10; Y10S; Y10S209/00; Y10S209/91; Y10S209/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1768449A
Cited
US2016455A
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US1957222A
Cited
US1983388A
Cited
US2362691A
Cited
US2494934A
Cited
US2546314A
Cited
US2567741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |