US2455792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Limiter circuit for electric testing apparatus
Assignee: Republic Steel Corp
•
Filing: 1948-01-29
•
Granted: 1948-12-07
•
Expires: 1968-01-29
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Meunier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:51
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/82; G01N27/90; G01N27/9046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21003E
Cited
US1954996A
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US2005011A
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US2223840A
Cited
US2276565A
Cited
US2271203A
Cited
US2290330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |