US2056663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for conditioning air
Assignee: General Electric Vapor Lamp Co
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Filing: 1935-03-13
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Granted: 1936-10-06
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Expires: 1955-03-13
Abstract
No abstract record available.
Inventors
- 👤 Ted E Foulke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
CPC Classifications
F; F24; F24F; F24F8/00; F24F8/10; F24F8/192; F24F8/20; F24F8/24; F24F8/26; Y; Y02; Y02A; Y02A50/00; Y02A50/20; Y10; Y10S; Y10S261/00; Y10S261/42
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) | 1939-10-06 | 1940-04-06 | 1940-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-10-06 | 1944-04-06 | 1944-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-10-06 | 1948-04-06 | 1948-10-06 | $7700.00 | Window Closed / Lapsed |