Patent US846100A successfully refreshed from Google Patents.
US846100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment for steam-boilers.
Assignee: Individual
•
Filing: 1905-06-22
•
Granted: 1907-03-05
•
Expires: 1925-06-22
Abstract
No abstract record available.
Inventors
- 👤 Blair A Estep
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:53
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00485; F; F16; F16K; F16K11/00; F16K11/10; F16K11/20; F16K11/22; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3112; Y10T137/4891; Y10T137/8593; Y10T137/87265; Y10T137/87338; Y10T137/87362
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) | 1910-03-04 | 1910-09-03 | 1911-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-03-04 | 1914-09-03 | 1915-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-03-04 | 1918-09-03 | 1919-03-05 | $7700.00 | Window Closed / Lapsed |