Patent US2483915A successfully refreshed from Google Patents.
US2483915A
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Insulation-testing apparatus
Assignee: Whitney Blake Co
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Filing: 1946-02-19
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Granted: 1949-10-04
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Expires: 1966-02-19
Abstract
No abstract record available.
Inventors
- 👤 Harold A Lines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:44
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/50; G01R31/58; G01R31/59
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US960440A
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US1612363A
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US2099112A
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US1940496A
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US2043528A
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US2087783A
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US2125630A
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US2149634A
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US2305380A
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US2310149A
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US2306529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |