Patent US2501676A successfully refreshed from Google Patents.
US2501676A
Expired / Lapsed
US
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Method of testing insulating walls
Assignee: Individual
•
Filing: 1945-04-11
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Granted: 1950-03-28
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Expires: 1965-04-11
Abstract
No abstract record available.
Inventors
- 👤 Ives Charles Quincy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:31
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/04; G01M3/16; H; H01; H01M; H01M10/00; H01M10/42; H01M10/4228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1506761A
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US1515864A
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US687517A
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US695127A
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US1643949A
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US1427817A
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US1744120A
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US2103134A
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US2203839A
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US2304710A
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US2379947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |