US382616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating-drum
Assignee: —
•
Filing: —
•
Granted: 1888-05-08
•
Expires: 1905-05-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:12
CPC Classifications
F; F28; F28D; F28D21/00; F28D21/0001; F28D21/0003; F28F; F28F27/00; F28F27/02; Y; Y10; Y10S; Y10S165/00; Y10S165/092; Y10S165/109; Y10S165/11; Y10S165/113; Y10S165/116
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) | 1891-05-08 | 1891-11-07 | 1892-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1895-05-08 | 1895-11-07 | 1896-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1899-05-08 | 1899-11-07 | 1900-05-09 | $7700.00 | Window Closed / Lapsed |