US748296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporative cooler or condenser.
Assignee: Individual
•
Filing: 1902-11-19
•
Granted: 1903-12-29
•
Expires: 1922-11-19
Abstract
No abstract record available.
Inventors
- 👤 Warren H Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
F; F25; F25D; F25D7/00; F25B; F25B2339/00; F25B2339/04; F25B2339/047
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1906-12-28 | 1907-06-29 | 1907-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-12-28 | 1911-06-29 | 1911-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-12-28 | 1915-06-29 | 1915-12-29 | $7700.00 | Window Closed / Lapsed |