Patent US2584889A successfully refreshed from Google Patents.
US2584889A
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US
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Device for preventing humidity in enclosures containing insulating parts
Assignee: Merlin Gerin SA
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Filing: 1947-07-23
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Granted: 1952-02-05
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Expires: 1967-07-23
Abstract
No abstract record available.
Inventors
- 👤 Latour Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:16
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/53; H01H33/56; H01H33/562; Y; Y10; Y10S; Y10S55/00; Y10S55/17; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3102; Y10T137/3105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US275387A
Cited
US2040204A
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US1470323A
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US1675137A
Cited
US1720896A
Cited
US1937173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |