US2637199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for comparative indication of the moisture contents in two gaseous mediums
Assignee: Svenska Flaktfabriken AB
•
Filing: 1948-12-10
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Granted: 1953-05-05
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Expires: 1968-12-10
Abstract
No abstract record available.
Inventors
- 👤 Allander Claes Gustaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:43
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/56; G01N25/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1527721A
Cited
US1601243A
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US1885774A
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US1942934A
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US1922939A
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US2037409A
Cited
US2343878A
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FR914458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |