Patent US2625237A successfully refreshed from Google Patents.
US2625237A
Expired / Lapsed
US
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Apparatus for drying gases
Assignee: INDEPENDENT ENGINEERING COMPAN
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Filing: 1947-01-11
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Granted: 1953-01-13
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Expires: 1967-01-11
Abstract
No abstract record available.
Inventors
- 👤 Elmer J Gribler
- 👤 Herman A Lorenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:28
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |