US1522848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for testing gas mixtures
Assignee: GASOLIEN RECOVERY Corp
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Filing: 1924-05-02
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Granted: 1925-01-13
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Expires: 1944-05-02
Abstract
No abstract record available.
Inventors
- 👤 Voress Clyde Lennard
- 👤 Canter Vernon Charles
- 👤 Skoog Robert Walfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:40
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/14; Y; Y10; Y10T; Y10T436/00; Y10T436/21; Y10T436/218; Y10T436/25; Y10T436/25375; Y10T436/255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-01-13 | 1928-07-14 | 1929-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-01-13 | 1932-07-14 | 1933-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-01-13 | 1936-07-14 | 1937-01-13 | $7700.00 | Window Closed / Lapsed |