US2937709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas conditioner
Assignee: Electronatom Corp
•
Filing: 1955-01-05
•
Granted: 1960-05-24
•
Expires: 1975-01-05
Abstract
No abstract record available.
Inventors
- 👤 Seversky Alexander P De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:27
CPC Classifications
F; F24; F24F; F24F8/00; F24F8/10; F24F8/192; B; B03; B03C; B03C3/00; B03C3/02; B03C3/16; F24F6/00; F24F6/02; F24F6/06; Y; Y02; Y02A; Y02A50/00; Y02A50/20; Y10; Y10S; Y10S55/00; Y10S55/34; Y10S55/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2696275A
Cited
US1250088A
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US1365978A
Cited
GB197857A
Cited
US1968334A
Cited
US2192172A
Cited
US2192249A
Cited
US2244279A
Cited
US2631684A
Cited
US2668599A
Cited
US2701028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |