US302215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric temperature-regulator
Assignee: —
•
Filing: —
•
Granted: 1884-07-15
•
Expires: 1901-07-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:20
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/30; F24F11/70; F24F11/72; F24F11/74; F24F11/76; F24F2110/00; F24F2110/10
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) | 1887-07-15 | 1888-01-14 | 1888-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-07-15 | 1892-01-14 | 1892-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-07-15 | 1896-01-14 | 1896-07-15 | $7700.00 | Window Closed / Lapsed |