US1614159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-cooling apparatus
Assignee: General Electric Co
•
Filing: 1925-06-06
•
Granted: 1927-01-11
•
Expires: 1945-06-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:20
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/04; F28F1/00; F28F1/10; F28F1/12; F28F1/34; F28F1/36; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49373; Y10T29/49377; Y10T29/49378
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) | 1930-01-10 | 1930-07-12 | 1931-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-01-10 | 1934-07-12 | 1935-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-01-10 | 1938-07-12 | 1939-01-11 | $7700.00 | Window Closed / Lapsed |