Patent US824441A successfully refreshed from Google Patents.
US824441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic steam-trap.
Assignee: Consolidated Car Heating Co Inc
•
Filing: 1902-04-24
•
Granted: 1906-06-26
•
Expires: 1922-04-24
Abstract
No abstract record available.
Inventors
- 👤 Richmond P Scales
- 👤 James F Mcelroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:29
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/02; F16T1/10
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) | 1909-06-25 | 1909-12-25 | 1910-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-06-25 | 1913-12-25 | 1914-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-06-25 | 1917-12-25 | 1918-06-26 | $7700.00 | Window Closed / Lapsed |