US855480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric-resistance furnace.
Assignee: Individual
•
Filing: 1905-11-14
•
Granted: 1907-06-04
•
Expires: 1925-11-14
Abstract
No abstract record available.
Inventors
- 👤 Edgar F Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:43
CPC Classifications
F; F27; F27D; F27D11/00; F27D11/02
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) | 1910-06-03 | 1910-12-03 | 1911-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-06-03 | 1914-12-03 | 1915-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-06-03 | 1918-12-03 | 1919-06-04 | $7700.00 | Window Closed / Lapsed |