US1260282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for air-cooling motors.
Assignee: UNITED ELECTRIC Co
•
Filing: 1916-04-06
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Granted: 1918-03-19
•
Expires: 1936-04-06
Abstract
No abstract record available.
Inventors
- 👤 Harmon H Harrold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:42
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/08; F04D25/082; Y; Y10; Y10S; Y10S15/00; Y10S15/09; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32377
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) | 1921-03-18 | 1921-09-17 | 1922-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-03-18 | 1925-09-17 | 1926-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-03-18 | 1929-09-17 | 1930-03-19 | $7700.00 | Window Closed / Lapsed |